Library goog.testing.asserts

Function Summary
	`callWithoutLogging(function (): undefined fn)` Runs a function in an environment where test failures are not logged. This is useful for testing test code, where failures can be a normal part of a test.
	`contains_(?goog.testing.asserts.ArrayLike container, <Any Type> contained) ⇒ boolean` Tells whether the array contains the given element.
	`findDifferences(<Any Type> expected, <Any Type> actual) ⇒ ?string` Determines if two items of any type match, and formulates an error message if not.
	`indexOf_(?goog.testing.asserts.ArrayLike container, <Any Type> contained) ⇒ number` Finds the position of the first occurrence of an element in a container.
	`isArrayIndexProp_(string prop) ⇒ boolean` Helper function for assertObjectEquals. Tells us if a given property name is an array index.
	`raiseException_(string comment, string= opt_message)` Raises a JsUnit exception with the given comment.
	`toArray_(?goog.testing.asserts.ArrayLike arrayLike) ⇒ !Array` Converts an array like object to array or clones it if it's already array.