added wait for the Liberty project combobox to be populated

Author: anusreelakshmi934

src/test/java/io/openliberty/tools/intellij/it/UIBotTestUtils.java

@@ -2101,6 +2101,14 @@ public static void createLibertyConfiguration(RemoteRobot remoteRobot, String cf
             // will have zero values.
             Locator projectComboLocator = byXpath("//div[@class='ComboBox']");
             ComboBoxFixture projectCombo = addProjectDialog.comboBox(projectComboLocator);
+            
+            // Wait for the Liberty project combobox to be populated
+            RepeatUtilsKt.waitFor(Duration.ofSeconds(30),
+                    Duration.ofSeconds(2),
+                    "Waiting for Liberty project combobox to be populated",
+                    "Liberty project combobox was not populated",
+                    () -> !projectCombo.listValues().isEmpty());
+            
             if (projectCombo.listValues().isEmpty()) {
                 throw new NoSuchElementException("Liberty project field contains no elements");
             }