fix the orphaned channel due to the GrpcChannelFacadeTest (#1000)

Signed-off-by: Cassandra Coyle <cassie@diagrid.io>
Co-authored-by: Artur Souza <artursouza.ms@outlook.com>
Co-authored-by: Dapr Bot <56698301+dapr-bot@users.noreply.github.com>

sdk/src/test/java/io/dapr/client/GrpcChannelFacadeTest.java

@@ -22,12 +22,14 @@
 import io.grpc.ServerBuilder;
 import io.grpc.inprocess.InProcessChannelBuilder;
 import io.grpc.inprocess.InProcessServerBuilder;
+import io.grpc.testing.GrpcCleanupRule;
 import okhttp3.MediaType;
 import okhttp3.OkHttpClient;
 import okhttp3.ResponseBody;
 import okhttp3.mock.Behavior;
 import okhttp3.mock.MockInterceptor;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
@@ -37,6 +39,7 @@
 
 import java.io.IOException;
 import java.time.Duration;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
 import static io.dapr.utils.TestUtils.findFreePort;
@@ -54,6 +57,9 @@ public class GrpcChannelFacadeTest {
 
   private static DaprHttp daprHttp;
 
+  @Rule
+  public static final GrpcCleanupRule grpcCleanup = new GrpcCleanupRule();
+
   /**
    * Enable the waitForSidecar to allow the gRPC to check the http endpoint for the health check
    */
@@ -66,20 +72,19 @@ public void setUp() {
   @BeforeAll
   public static void setup() throws IOException {
     port = findFreePort();
-    server = ServerBuilder.forPort(port)
+
+    // Create a server, add service, start, and register for automatic graceful shutdown.
+    grpcCleanup.register(ServerBuilder.forPort(port)
         .addService(new DaprGrpc.DaprImplBase() {
         })
-        .build();
-    server.start();
+        .build().start());
   }
 
   @AfterAll
   public static void teardown() throws InterruptedException {
     if (daprHttp != null) {
       daprHttp.close();
     }
-    server.shutdown();
-    server.awaitTermination();
   }
 
   @Test
@@ -88,13 +93,14 @@ public void waitForSidecarTimeoutHealthCheck() throws Exception {
     DaprHttp daprHttp = new DaprHttp(Properties.SIDECAR_IP.get(), 3500, okHttpClient);
 
     ManagedChannel channel = InProcessChannelBuilder.forName("waitForSidecarTimeoutHealthCheck").build();
+    grpcCleanup.register(channel);
     final GrpcChannelFacade channelFacade = new GrpcChannelFacade(channel, daprHttp);
 
-      mockInterceptor.addRule()
-              .get()
-              .path("/v1.0/healthz/outbound")
-              .times(6)
-              .respond(404, ResponseBody.create("Not Found", MediaType.get("application/json")));
+    mockInterceptor.addRule()
+            .get()
+            .path("/v1.0/healthz/outbound")
+            .times(6)
+            .respond(404, ResponseBody.create("Not Found", MediaType.get("application/json")));
 
     StepVerifier.create(channelFacade.waitForChannelReady(1000))
             .expectSubscription()
@@ -110,6 +116,9 @@ public void waitForSidecarOK() {
 
     ManagedChannel channel = ManagedChannelBuilder.forAddress("127.0.0.1", port)
         .usePlaintext().build();
+
+    grpcCleanup.register(channel);
+
     final GrpcChannelFacade channelFacade = new GrpcChannelFacade(channel, daprHttp);
 
     // added since this is doing a check against the http health check endpoint