diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/TestUtils.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/TestUtils.java
new file mode 100644
index 0000000000..d9ee4d437a
--- /dev/null
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/TestUtils.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.spring.autoconfigure;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import com.google.auth.CredentialTypeForMetrics;
+import com.google.auth.Credentials;
+
+public class TestUtils {
+  public static final Credentials MOCK_CREDENTIALS = createMockCredentials();
+
+  private static Credentials createMockCredentials() {
+    Credentials mockCredential = mock(Credentials.class);
+    when(mockCredential.getMetricsCredentialType())
+        .thenReturn(CredentialTypeForMetrics.DO_NOT_SEND);
+    return mockCredential;
+  }
+}
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/bigquery/GcpBigQueryAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/bigquery/GcpBigQueryAutoConfigurationTests.java
index 07d62ce5f5..986998fd03 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/bigquery/GcpBigQueryAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/bigquery/GcpBigQueryAutoConfigurationTests.java
@@ -17,12 +17,11 @@
 package com.google.cloud.spring.autoconfigure.bigquery;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.oauth2.GoogleCredentials;
 import com.google.cloud.bigquery.BigQuery;
 import com.google.cloud.bigquery.BigQueryOptions;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.bigquery.core.BigQueryTemplate;
 import org.junit.jupiter.api.Test;
@@ -33,8 +32,6 @@
 
 class GcpBigQueryAutoConfigurationTests {
 
-  private static final GoogleCredentials MOCK_CREDENTIALS = mock(GoogleCredentials.class);
-
   private ApplicationContextRunner contextRunner =
       new ApplicationContextRunner()
           .withConfiguration(
@@ -51,7 +48,7 @@ void testSettingBigQueryOptions() {
         context -> {
           BigQueryOptions bigQueryOptions = context.getBean(BigQuery.class).getOptions();
           assertThat(bigQueryOptions.getProjectId()).isEqualTo("test-project");
-          assertThat(bigQueryOptions.getCredentials()).isEqualTo(MOCK_CREDENTIALS);
+          assertThat(bigQueryOptions.getCredentials()).isEqualTo(TestUtils.MOCK_CREDENTIALS);
 
           BigQueryTemplate bigQueryTemplate = context.getBean(BigQueryTemplate.class);
           assertThat(bigQueryTemplate.getDatasetName()).isEqualTo("test-dataset");
@@ -66,7 +63,7 @@ static class TestConfiguration {
 
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> MOCK_CREDENTIALS;
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/core/GcpContextAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/core/GcpContextAutoConfigurationTests.java
index 2e65cdd7ac..3fc700cef6 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/core/GcpContextAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/core/GcpContextAutoConfigurationTests.java
@@ -17,10 +17,9 @@
 package com.google.cloud.spring.autoconfigure.core;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.core.DefaultGcpEnvironmentProvider;
 import com.google.cloud.spring.core.DefaultGcpProjectIdProvider;
 import com.google.cloud.spring.core.GcpEnvironmentProvider;
@@ -99,7 +98,7 @@ private static class TestConfiguration {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/health/DatastoreHealthIndicatorAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/health/DatastoreHealthIndicatorAutoConfigurationTests.java
index 9c18936c9e..7f04bd967f 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/health/DatastoreHealthIndicatorAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/health/DatastoreHealthIndicatorAutoConfigurationTests.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.datastore.GcpDatastoreAutoConfiguration;
 import org.junit.jupiter.api.Test;
@@ -61,7 +61,7 @@ static class TestConfiguration {
 
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/it/GcpDatastoreEmulatorIntegrationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/it/GcpDatastoreEmulatorIntegrationTests.java
index b6819b2ee6..c466e8e62c 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/it/GcpDatastoreEmulatorIntegrationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/datastore/it/GcpDatastoreEmulatorIntegrationTests.java
@@ -18,16 +18,15 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
-import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.Credentials;
 import com.google.cloud.datastore.Datastore;
 import com.google.cloud.datastore.DatastoreException;
 import com.google.cloud.datastore.DatastoreOptions;
 import com.google.cloud.datastore.EntityQuery;
 import com.google.cloud.datastore.Query;
 import com.google.cloud.datastore.StructuredQuery;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.datastore.DatastoreRepositoriesAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.datastore.DatastoreTransactionManagerAutoConfiguration;
@@ -118,7 +117,7 @@ static class TestConfiguration {
 
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/firestore/GcpFirestoreAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/firestore/GcpFirestoreAutoConfigurationTests.java
index a86a424eed..c99f2cb27b 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/firestore/GcpFirestoreAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/firestore/GcpFirestoreAutoConfigurationTests.java
@@ -18,12 +18,11 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.oauth2.GoogleCredentials;
 import com.google.cloud.firestore.Firestore;
 import com.google.cloud.firestore.FirestoreOptions;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.firestore.v1.FirestoreGrpc;
 import io.grpc.ClientInterceptor;
@@ -136,7 +135,7 @@ static class TestConfiguration {
 
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> mock(GoogleCredentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/kms/KmsAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/kms/KmsAutoConfigurationTests.java
index 51856e6ebb..e9c4c4d317 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/kms/KmsAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/kms/KmsAutoConfigurationTests.java
@@ -21,6 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import com.google.api.gax.core.CredentialsProvider;
+import com.google.auth.CredentialTypeForMetrics;
 import com.google.auth.Credentials;
 import com.google.auth.oauth2.ServiceAccountCredentials;
 import com.google.auth.oauth2.UserCredentials;
@@ -125,6 +126,7 @@ static class TestConfiguration {
     public static CredentialsProvider googleCredentials() {
       UserCredentials mockUserCredential = mock(UserCredentials.class);
       when(mockUserCredential.getClientId()).thenReturn(CORE_CREDENTIAL_CLIENT_ID);
+      when(mockUserCredential.getMetricsCredentialType()).thenReturn(CredentialTypeForMetrics.DO_NOT_SEND);
       return () -> mockUserCredential;
     }
 
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/logging/StackdriverLoggingAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/logging/StackdriverLoggingAutoConfigurationTests.java
index f23921b224..185448f284 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/logging/StackdriverLoggingAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/logging/StackdriverLoggingAutoConfigurationTests.java
@@ -17,10 +17,9 @@
 package com.google.cloud.spring.autoconfigure.logging;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
 
 import com.google.api.gax.core.CredentialsProvider;
-import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.trace.StackdriverTraceAutoConfiguration;
 import com.google.cloud.spring.logging.TraceIdLoggingWebMvcInterceptor;
@@ -105,7 +104,7 @@ private static class TestConfiguration {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
 
     @Bean
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubAutoConfigurationTests.java
index 3f18d1e72c..8b72f9af70 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubAutoConfigurationTests.java
@@ -29,9 +29,9 @@
 import com.google.api.gax.retrying.RetrySettings;
 import com.google.api.gax.rpc.StatusCode.Code;
 import com.google.api.gax.rpc.TransportChannelProvider;
-import com.google.auth.Credentials;
 import com.google.cloud.pubsub.v1.Publisher;
 import com.google.cloud.pubsub.v1.Subscriber;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import com.google.cloud.spring.pubsub.core.PubSubConfiguration;
 import com.google.cloud.spring.pubsub.core.publisher.PublisherCustomizer;
@@ -1448,7 +1448,7 @@ public GcpProjectIdProvider projectIdProvider() {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubEmulatorAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubEmulatorAutoConfigurationTests.java
index d10b1a5058..005778ac88 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubEmulatorAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubEmulatorAutoConfigurationTests.java
@@ -28,6 +28,7 @@
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.auth.Credentials;
 import com.google.cloud.pubsub.v1.TopicAdminSettings;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.pubsub.core.PubSubConfiguration;
 import org.assertj.core.data.Offset;
@@ -187,7 +188,7 @@ void testPublisherBatchingSettings() {
   private static class TestConfiguration {
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubReactiveAutoConfigurationTest.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubReactiveAutoConfigurationTest.java
index 52f9802b62..463ba373ee 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubReactiveAutoConfigurationTest.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/GcpPubSubReactiveAutoConfigurationTest.java
@@ -22,6 +22,7 @@
 
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import com.google.cloud.spring.pubsub.core.subscriber.PubSubSubscriberOperations;
 import com.google.cloud.spring.pubsub.core.subscriber.PubSubSubscriberTemplate;
@@ -165,7 +166,7 @@ public GcpProjectIdProvider projectIdProvider() {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubHealthIndicatorAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubHealthIndicatorAutoConfigurationTests.java
index 97504d05f5..c30cd4e2f8 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubHealthIndicatorAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubHealthIndicatorAutoConfigurationTests.java
@@ -28,6 +28,7 @@
 
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.pubsub.GcpPubSubAutoConfiguration;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import com.google.cloud.spring.pubsub.core.PubSubTemplate;
@@ -55,7 +56,7 @@ class PubSubHealthIndicatorAutoConfigurationTests {
               AutoConfigurations.of(
                   PubSubHealthIndicatorAutoConfiguration.class, GcpPubSubAutoConfiguration.class))
           .withBean(GcpProjectIdProvider.class, () -> () -> "fake project")
-          .withBean(CredentialsProvider.class, () -> () -> mock(Credentials.class));
+          .withBean(CredentialsProvider.class, () -> () -> TestUtils.MOCK_CREDENTIALS);
 
   @SuppressWarnings("unchecked")
   @Test
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubSubscriptionHealthIndicatorAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubSubscriptionHealthIndicatorAutoConfigurationTests.java
index e92cf0edf7..4b3ad4b410 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubSubscriptionHealthIndicatorAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/pubsub/health/PubSubSubscriptionHealthIndicatorAutoConfigurationTests.java
@@ -22,6 +22,7 @@
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
 import com.google.cloud.monitoring.v3.MetricServiceClient;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.pubsub.GcpPubSubAutoConfiguration;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import org.junit.jupiter.api.Test;
@@ -40,7 +41,7 @@ class PubSubSubscriptionHealthIndicatorAutoConfigurationTests {
                   PubSubSubscriptionHealthIndicatorAutoConfiguration.class,
                   GcpPubSubAutoConfiguration.class))
           .withBean(GcpProjectIdProvider.class, () -> () -> "fake project")
-          .withBean(CredentialsProvider.class, () -> () -> mock(Credentials.class))
+          .withBean(CredentialsProvider.class, () -> () -> TestUtils.MOCK_CREDENTIALS)
           .withBean(MetricServiceClient.class, () -> mock(MetricServiceClient.class));
 
   @Test
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/secretmanager/GcpSecretManagerAutoConfigurationUnitTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/secretmanager/GcpSecretManagerAutoConfigurationUnitTests.java
index 646b0ece1f..f90ab28286 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/secretmanager/GcpSecretManagerAutoConfigurationUnitTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/secretmanager/GcpSecretManagerAutoConfigurationUnitTests.java
@@ -22,6 +22,7 @@
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
 import com.google.cloud.secretmanager.v1.SecretManagerServiceClient;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.secretmanager.SecretManagerTemplate;
 import org.junit.jupiter.api.BeforeEach;
@@ -77,7 +78,7 @@ static class TestConfig {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/security/FirebaseAuthenticationAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/security/FirebaseAuthenticationAutoConfigurationTests.java
index 8a46e12ed5..72594e1972 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/security/FirebaseAuthenticationAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/security/FirebaseAuthenticationAutoConfigurationTests.java
@@ -22,6 +22,7 @@
 
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import com.google.cloud.spring.security.firebase.FirebaseJwtTokenDecoder;
 import org.junit.jupiter.api.Test;
@@ -72,7 +73,7 @@ public GcpProjectIdProvider projectIdProvider() {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/GcpSpannerAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/GcpSpannerAutoConfigurationTests.java
index 925af9b691..0faeac5dbd 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/GcpSpannerAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/GcpSpannerAutoConfigurationTests.java
@@ -21,9 +21,11 @@
 
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.api.gax.retrying.RetrySettings;
+import com.google.auth.CredentialTypeForMetrics;
 import com.google.auth.Credentials;
 import com.google.cloud.NoCredentials;
 import com.google.cloud.spanner.SpannerOptions;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.data.spanner.core.SpannerOperations;
 import com.google.cloud.spring.data.spanner.core.SpannerTransactionManager;
@@ -174,7 +176,7 @@ static class TestConfiguration {
     /** Mock bean for credentials provider. */
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
 
     /** Mock bean for Gson. */
diff --git a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/health/SpannerHealthIndicatorAutoConfigurationTests.java b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/health/SpannerHealthIndicatorAutoConfigurationTests.java
index 5ae4e41fad..7053c959c8 100644
--- a/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/health/SpannerHealthIndicatorAutoConfigurationTests.java
+++ b/spring-cloud-gcp-autoconfigure/src/test/java/com/google/cloud/spring/autoconfigure/spanner/health/SpannerHealthIndicatorAutoConfigurationTests.java
@@ -23,6 +23,7 @@
 import com.google.api.gax.core.CredentialsProvider;
 import com.google.auth.Credentials;
 import com.google.cloud.spanner.Statement;
+import com.google.cloud.spring.autoconfigure.TestUtils;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.spanner.GcpSpannerAutoConfiguration;
 import com.google.gson.Gson;
@@ -94,7 +95,7 @@ static class TestConfiguration {
 
     @Bean
     public CredentialsProvider credentialsProvider() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
 
     @Bean
diff --git a/spring-cloud-gcp-dependencies/pom.xml b/spring-cloud-gcp-dependencies/pom.xml
index 48f9531592..c1fcfc9d29 100644
--- a/spring-cloud-gcp-dependencies/pom.xml
+++ b/spring-cloud-gcp-dependencies/pom.xml
@@ -34,8 +34,8 @@
 	</distributionManagement>
 
 	<properties>
-		<gcp-libraries-bom.version>26.48.0</gcp-libraries-bom.version>
-		<cloud-sql-socket-factory.version>1.21.0</cloud-sql-socket-factory.version>
+		<gcp-libraries-bom.version>26.49.0</gcp-libraries-bom.version>
+		<cloud-sql-socket-factory.version>1.20.1</cloud-sql-socket-factory.version>
 		<r2dbc-postgres-driver.version>1.0.7.RELEASE</r2dbc-postgres-driver.version>
 		<cloud-spanner-r2dbc.version>1.3.0</cloud-spanner-r2dbc.version>
 	</properties>
diff --git a/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/PubSubMessageChannelBinderTests.java b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/PubSubMessageChannelBinderTests.java
index 16ce391154..f0f8a882d4 100644
--- a/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/PubSubMessageChannelBinderTests.java
+++ b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/PubSubMessageChannelBinderTests.java
@@ -22,6 +22,7 @@
 import static org.mockito.Mockito.when;
 
 import com.google.api.gax.core.CredentialsProvider;
+import com.google.auth.CredentialTypeForMetrics;
 import com.google.auth.Credentials;
 import com.google.cloud.spring.core.GcpProjectIdProvider;
 import com.google.cloud.spring.pubsub.PubSubAdmin;
@@ -394,7 +395,7 @@ public GcpProjectIdProvider projectIdProvider() {
 
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
   }
 }
diff --git a/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/TestUtils.java b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/TestUtils.java
new file mode 100644
index 0000000000..aa38cd83ad
--- /dev/null
+++ b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/TestUtils.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.spring.stream.binder.pubsub;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import com.google.auth.CredentialTypeForMetrics;
+import com.google.auth.Credentials;
+
+public class TestUtils {
+  public static final Credentials MOCK_CREDENTIALS = createMockCredentials();
+
+  private static Credentials createMockCredentials() {
+    Credentials mockCredential = mock(Credentials.class);
+    when(mockCredential.getMetricsCredentialType())
+        .thenReturn(CredentialTypeForMetrics.DO_NOT_SEND);
+    return mockCredential;
+  }
+}
+
diff --git a/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/config/PubSubBinderConfigurationTests.java b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/config/PubSubBinderConfigurationTests.java
index ea41b2a5c5..9729a14ff8 100644
--- a/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/config/PubSubBinderConfigurationTests.java
+++ b/spring-cloud-gcp-pubsub-stream-binder/src/test/java/com/google/cloud/spring/stream/binder/pubsub/config/PubSubBinderConfigurationTests.java
@@ -18,8 +18,10 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 import com.google.api.gax.core.CredentialsProvider;
+import com.google.auth.CredentialTypeForMetrics;
 import com.google.auth.Credentials;
 import com.google.cloud.spring.autoconfigure.core.GcpContextAutoConfiguration;
 import com.google.cloud.spring.autoconfigure.pubsub.GcpPubSubAutoConfiguration;
@@ -28,6 +30,7 @@
 import com.google.cloud.spring.pubsub.core.PubSubTemplate;
 import com.google.cloud.spring.pubsub.core.health.HealthTrackerRegistry;
 import com.google.cloud.spring.stream.binder.pubsub.PubSubMessageChannelBinder;
+import com.google.cloud.spring.stream.binder.pubsub.TestUtils;
 import com.google.cloud.spring.stream.binder.pubsub.provisioning.PubSubChannelProvisioner;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
@@ -165,7 +168,7 @@ void test_healthRegistryEnabled() {
   private static class TestConfiguration {
     @Bean
     public CredentialsProvider googleCredentials() {
-      return () -> mock(Credentials.class);
+      return () -> TestUtils.MOCK_CREDENTIALS;
     }
 
     @Bean