add test

src/test/java/dotsandboxes/DotsAndBoxesGridTest.java

@@ -21,6 +21,9 @@ public class DotsAndBoxesGridTest {
      *
      * This is a dummy test just to show that the test suite itself runs
      */
+
+     assertTrue(true);
+
     @Test
     public void testTestSuiteRuns() {
         logger.info("Dummy test to show the test suite runs");