Added additional test for createIssue() (#202).

src/test/java/org/gitlab4j/api/TestIssuesApi.java

@@ -29,6 +29,8 @@ import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assume.assumeTrue;
 
+import java.util.Arrays;
+import java.util.Date;
 import java.util.List;
 import java.util.Random;
 
@@ -187,6 +189,13 @@ public class TestIssuesApi {
         assertEquals(title, issue.getTitle());
         assertEquals(ISSUE_DESCRIPTION, issue.getDescription());
         assertEquals(IssueState.OPENED, issue.getState());
+
+        List<Integer> assigneeIds = Arrays.asList(issue.getAuthor().getId());
+        issue = gitLabApi.getIssuesApi().createIssue(projectId, title, ISSUE_DESCRIPTION, null, assigneeIds, null, null, new Date(), null, null, null);
+        assertNotNull(issue);
+        assertEquals(title, issue.getTitle());
+        assertEquals(ISSUE_DESCRIPTION, issue.getDescription());
+        assertEquals(IssueState.OPENED, issue.getState());
     }
 
     @Test