Added even more tests to regressions (#12104).

Author: oleq

bender.js

@@ -80,7 +80,13 @@ var config = {
 				'tests/plugins/widget/nestededitables#test pasting widget which was copied (d&d) when its nested editable was focused': 'env.ie && env.version == 8',
 
 				// Firefox (#11399)
-				'tests/plugins/widget/nestededitables#test selection in nested editable is preserved after opening and closing dialog - inline editor': 'env.gecko'
+				'tests/plugins/widget/nestededitables#test selection in nested editable is preserved after opening and closing dialog - inline editor': 'env.gecko',
+
+				// Firefox (#12104)
+				'tests/plugins/widget/widgetselection#test focusing widget': 'env.gecko',
+				'tests/plugins/widget/widgetselection#test focusing by click': 'env.gecko',
+				'tests/plugins/widget/widgetselection#test focus editor when focusing widget by click': 'env.gecko',
+				'tests/plugins/widget/widgetselection#test focus editor when focusing widget by method': 'env.gecko'
 			}
 		},