Tooltip tests: Fixed new default value for position option.

Author: scottgonzalez

tests/unit/tooltip/tooltip_common.js

@@ -5,8 +5,8 @@ TestHelpers.commonWidgetTests( "tooltip", {
 		hide: true,
 		items: "[title]:not([disabled])",
 		position: {
-			my: "left+15 center",
-			at: "right center",
+			my: "left top+15",
+			at: "left bottom",
 			collision: "flipfit flipfit"
 		},
 		show: true,