Actually enable the tests which pass

browser/base/content/test/tabview/Makefile.in

@@ -46,12 +46,12 @@ include $(topsrcdir)/config/rules.mk
 $(warning All TabView tests are disabled for now while we iterate on the UI)
 
 _BROWSER_FILES = \
+                 browser_tabview_launch.js \
+                 browser_visibleTabs.js \
+                 browser_visibleTabs_contextMenu.js \
     $(NULL)
 #                 browser_tabview_dragdrop.js \
 #                 browser_tabview_group.js \
-#                 browser_tabview_launch.js \
-#                 browser_visibleTabs.js \
-#                 browser_visibleTabs_contextMenu.js \
 
 libs::	$(_BROWSER_FILES)
 	$(INSTALL) $(foreach f,$^,"$f") $(DEPTH)/_tests/testing/mochitest/browser/$(relativesrcdir)