testFirstTabIsActivatedByDefault is no more passing with SWT fix under

issue eclipse-platform/eclipse.platform.swt#46

Fixes eclipse-platform#1239

debug/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/launchConfigurations/LaunchConfigurationTabGroupViewer.java

@@ -1455,7 +1455,7 @@ protected void handleTabSelected() {
 		fCurrentTabIndex = fTabFolder.getSelectionIndex();
 
 		ILaunchConfigurationTab[] tabs = getTabs();
-		if (previousTabIndex == fCurrentTabIndex || tabs == null || tabs.length == 0
+		if (tabs == null || tabs.length == 0
 				|| previousTabIndex > (tabs.length - 1)) {
 			return;
 		}