[Tests] Enable searchable_snapshots for non-snapshot builds (#55151) (#55157)

Fixes https://github.com/elastic/elasticsearch/issues/55050

(cherry picked from commit 13391ceff1cbf6db69706c5f46127b6ff8850a1f)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>

x-pack/plugin/ilm/qa/multi-node/build.gradle

@@ -1,4 +1,5 @@
 import org.elasticsearch.gradle.test.RestIntegTestTask
+import org.elasticsearch.gradle.info.BuildParams
 
 apply plugin: 'elasticsearch.testclusters'
 apply plugin: 'elasticsearch.standalone-rest-test'
@@ -17,6 +18,9 @@ integTest.runner {
 
 testClusters.integTest {
   testDistribution = 'DEFAULT'
+  if (BuildParams.isSnapshotBuild() == false) {
+    systemProperty 'es.searchable_snapshots_feature_enabled', 'true'
+  }
   numberOfNodes = 4
 
   setting 'path.repo', repoDir.absolutePath

x-pack/plugin/ilm/qa/multi-node/src/test/java/org/elasticsearch/xpack/ilm/TimeSeriesLifecycleActionsIT.java

@@ -1558,7 +1558,6 @@ public class TimeSeriesLifecycleActionsIT extends ESRestTestCase {
         assertBusy(() -> assertFalse("expected " + index + " to be deleted by ILM", indexExists(index)));
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/55050")
     public void testSearchableSnapshotAction() throws Exception {
         String snapshotRepo = createSnapshotRepo();
         createNewSingletonPolicy("cold", new SearchableSnapshotAction(snapshotRepo));