Added IT

Signed-off-by: Vamsi Manohar <[email protected]>

integ-test/src/test/java/org/opensearch/sql/datasource/DataSourceAPIsIT.java

@@ -17,14 +17,10 @@
 import java.util.ArrayList;
 import java.util.List;
 import lombok.SneakyThrows;
-import org.apache.commons.lang3.StringUtils;
 import org.junit.AfterClass;
 import org.junit.Assert;
-import org.junit.BeforeClass;
 import org.junit.Test;
-import org.opensearch.action.update.UpdateRequest;
 import org.opensearch.client.Request;
-import org.opensearch.client.RequestOptions;
 import org.opensearch.client.Response;
 import org.opensearch.client.ResponseException;
 import org.opensearch.sql.datasource.model.DataSourceMetadata;

integ-test/src/test/java/org/opensearch/sql/datasource/DatasourceClusterSettingsIT.java

@@ -0,0 +1,20 @@
+package org.opensearch.sql.datasource;
+
+import static org.hamcrest.Matchers.equalTo;
+
+import java.io.IOException;
+import org.json.JSONObject;
+import org.junit.Test;
+import org.opensearch.sql.ppl.PPLIntegTestCase;
+
+public class DatasourceClusterSettingsIT extends PPLIntegTestCase {
+
+  @Test
+  public void testDatasourceClusterSettings() throws IOException {
+    // Assert default cursor settings
+    JSONObject clusterSettings = getAllClusterSettings();
+    assertThat(clusterSettings.query("/persistent/plugins.query.datasources.encryption.masterkey"),
+        equalTo("0000000000000000"));
+  }
+
+}