EQL: Fix #51541: [CI] unknown setting [xpack.eql.enabled] in release-tests (#51699)

Fixes #51541
Co-authored-by: Igor Motov <igor@motovs.org>

Author: aleksmaus

x-pack/plugin/eql/qa/common/src/main/java/org/elasticsearch/test/eql/CommonEqlRestTestCase.java

@@ -6,13 +6,15 @@
 package org.elasticsearch.test.eql;
 
 import org.apache.http.util.EntityUtils;
+import org.elasticsearch.Build;
 import org.elasticsearch.client.Request;
 import org.elasticsearch.client.Response;
 import org.elasticsearch.client.ResponseException;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.test.rest.ESRestTestCase;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.BeforeClass;
 
 import java.util.ArrayList;
 
@@ -62,6 +64,11 @@ static class SearchTestConfiguration {
             400, "query malformed, empty clause found"));
     }
 
+    @BeforeClass
+    public static void checkForSnapshot() {
+        assumeTrue("Only works on snapshot builds for now", Build.CURRENT.isSnapshot());
+    }
+
     @Before
     public void setup() throws Exception {
         createIndex(defaultValidationIndexName, Settings.EMPTY);

x-pack/plugin/eql/qa/rest/build.gradle

@@ -1,3 +1,5 @@
+import org.elasticsearch.gradle.info.BuildParams
+
 apply plugin: 'elasticsearch.testclusters'
 apply plugin: 'elasticsearch.standalone-rest-test'
 apply plugin: 'elasticsearch.rest-test'
@@ -9,7 +11,9 @@ dependencies {
 
 testClusters.integTest {
   testDistribution = 'DEFAULT'
-  setting 'xpack.eql.enabled', 'true'
+  if (BuildParams.isSnapshotBuild()) {
+    setting 'xpack.eql.enabled', 'true'
+  }
   setting 'xpack.license.self_generated.type', 'basic'
   setting 'xpack.monitoring.collection.enabled', 'true'
 }

x-pack/plugin/eql/qa/rest/src/test/java/org/elasticsearch/xpack/eql/EqlRestIT.java

@@ -7,11 +7,18 @@
 package org.elasticsearch.xpack.eql;
 
 import com.carrotsearch.randomizedtesting.annotations.ParametersFactory;
+import org.elasticsearch.Build;
 import org.elasticsearch.test.rest.yaml.ClientYamlTestCandidate;
 import org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase;
+import org.junit.BeforeClass;
 
 public class EqlRestIT extends ESClientYamlSuiteTestCase {
 
+    @BeforeClass
+    public static void checkForSnapshot() {
+        assumeTrue("Only works on snapshot builds for now", Build.CURRENT.isSnapshot());
+    }
+
     public EqlRestIT(final ClientYamlTestCandidate testCandidate) {
         super(testCandidate);
     }