ignore tests that may be flaky (#596)

Signed-off-by: Subhobrata Dey <sbcd90@gmail.com>
(cherry picked from commit 7a33024)

src/test/java/org/opensearch/securityanalytics/alerts/AlertsIT.java

@@ -17,6 +17,7 @@
 import org.apache.http.entity.StringEntity;
 import org.apache.http.message.BasicHeader;
 import org.junit.Assert;
+import org.junit.Ignore;
 import org.opensearch.client.Request;
 import org.opensearch.client.Response;
 import org.opensearch.client.ResponseException;
@@ -587,6 +588,7 @@ public void testGetAlerts_byDetectorType_multipleDetectors_success() throws IOEx
     }
 
 
+    @Ignore
     public void testAlertHistoryRollover_maxAge() throws IOException, InterruptedException {
         updateClusterSetting(ALERT_HISTORY_ROLLOVER_PERIOD.getKey(), "1s");
         updateClusterSetting(ALERT_HISTORY_MAX_DOCS.getKey(), "1000");
@@ -657,6 +659,7 @@ public void testAlertHistoryRollover_maxAge() throws IOException, InterruptedExc
         restoreAlertsFindingsIMSettings();
     }
 
+    @Ignore
     public void testAlertHistoryRollover_maxAge_low_retention() throws IOException, InterruptedException {
         updateClusterSetting(ALERT_HISTORY_ROLLOVER_PERIOD.getKey(), "1s");
         updateClusterSetting(ALERT_HISTORY_MAX_DOCS.getKey(), "1000");
@@ -737,6 +740,7 @@ public void testAlertHistoryRollover_maxAge_low_retention() throws IOException,
         restoreAlertsFindingsIMSettings();
     }
 
+    @Ignore
     public void testAlertHistoryRollover_maxDocs() throws IOException, InterruptedException {
         updateClusterSetting(ALERT_HISTORY_ROLLOVER_PERIOD.getKey(), "1s");
         updateClusterSetting(ALERT_HISTORY_MAX_DOCS.getKey(), "1");
@@ -820,6 +824,7 @@ public void testAlertHistoryRollover_maxDocs() throws IOException, InterruptedEx
         restoreAlertsFindingsIMSettings();
     }
 
+    @Ignore
     public void testGetAlertsFromAllIndices() throws IOException, InterruptedException {
         updateClusterSetting(ALERT_HISTORY_ROLLOVER_PERIOD.getKey(), "1s");
         updateClusterSetting(ALERT_HISTORY_MAX_DOCS.getKey(), "1");