Ian Hickson c167efca17 Minor widget_tester refactoring and docs (#3472) ... This reorders some classes so that this file makes more sense, and adds a bunch of docs. It also makes the following changes: * Move allElements from Instrumentation to TestWidgets. (Instrumentation is going away.) * Remove findElements. * Rename byElement to byElementPredicate * Rename byPredicate to byWidgetPredicate * Implement _WidgetPredicateFinder so that byWidgetPredicate has good messages * Fix one use of byElementPredicate to use byWidgetPredicate.		2016-04-21 16:35:46 -07:00
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card_collection_test.dart	Minor widget_tester refactoring and docs (#3472)	2016-04-21 16:35:46 -07:00