Fix testFindMobileDashboardsByTenantId test.

dao/src/test/java/org/thingsboard/server/dao/service/BaseDashboardServiceTest.java

@@ -231,7 +231,7 @@ public abstract class BaseDashboardServiceTest extends AbstractServiceTest {
         }
 
         List<DashboardInfo> loadedMobileDashboards = new ArrayList<>();
-        PageLink pageLink = new PageLink(16, 0, null, new SortOrder("createdTime", SortOrder.Direction.ASC));
+        PageLink pageLink = new PageLink(16, 0, null, new SortOrder("title", SortOrder.Direction.ASC));
         PageData<DashboardInfo> pageData = null;
         do {
             pageData = dashboardService.findMobileDashboardsByTenantId(tenantId, pageLink);
@@ -245,7 +245,7 @@ public abstract class BaseDashboardServiceTest extends AbstractServiceTest {
             Integer order1 = o1.getMobileOrder();
             Integer order2 = o2.getMobileOrder();
             if (order1 == null && order2 == null) {
-                return (int)(o1.getCreatedTime() - o2.getCreatedTime());
+                return o1.getTitle().compareTo(o2.getTitle());
             } else if (order1 == null && order2 != null) {
                 return 1;
             }  else if (order2 == null) {