GraphQL tests should only run on MarkLogic 11

Also tweaked AdjustQueryBatcher test based on intermittent failure on Jenkins.

Author: rjrudin

marklogic-client-api-functionaltests/src/test/java/com/marklogic/client/fastfunctest/datamovement/AdjustQueryBatcherThreadCountTest.java

@@ -14,6 +14,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 public class AdjustQueryBatcherThreadCountTest extends AbstractFunctionalTest {
 
@@ -40,8 +41,12 @@ void increaseThreadCount() {
 		dmm.stopJob(qb);
 
 		assertEquals(20, uriCount.get());
-		assertEquals(3, threadNames.size(), "3 threads should have processed all the batches, as the thread count " +
-			"was increased from 1 to 3 100ms into the job.");
+		int threadNameCount = threadNames.size();
+		assertTrue(threadNameCount == 3 || threadNameCount == 4,
+			"3 threads should have processed all the batches, as the thread count was increased from 1 to 3 100ms " +
+				"into the job. 4 thread names appears to be okay too; that has occurred when the test is run in " +
+				"Jenkins, and it may be due to 3 new thread names being created by the Java executor when the thread " +
+				"count is adjusted from 1 to 3.");
 	}
 
 	@Test

marklogic-client-api/src/test/java/com/marklogic/client/test/rows/GraphQLTest.java

@@ -6,12 +6,15 @@
 import com.marklogic.client.io.StringHandle;
 import com.marklogic.client.row.RowManager;
 import com.marklogic.client.test.Common;
+import com.marklogic.client.test.junit5.RequiresML11;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
+@ExtendWith(RequiresML11.class)
 public class GraphQLTest extends AbstractOpticUpdateTest {
 
 	private final static String QUERY = "query myQuery { opticUnitTest_musician {firstName lastName}}";