Merge pull request #7022 from menghaoranss/fix-unit-error

Fixes heartbeat unit test errors

shardingsphere-control-panel/shardingsphere-cluster/shardingsphere-cluster-heartbeat/src/test/java/org/apache/shardingsphere/cluster/heartbeat/detect/HeartbeatHandlerTest.java

@@ -43,7 +43,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
@@ -205,8 +204,6 @@ public final class HeartbeatHandlerTest {
         if (enableExecuteQuery) {
             when(result.executeQuery()).thenReturn(resultSet);
             when(resultSet.next()).thenReturn(true);
-        } else {
-            doThrow(SQLException.class).when(result).executeQuery();
         }
         return result;
     }