Assert fails the test if the condition is false.

AssertNoError fails the test if an err is not nil.

Equals fails the test if exp is not equal to act.

IsTestResource returns true if given resource identifier is from terraform test identifier should be resource name but some resource don't have names return true if identifier match regex "tf[-_]test" common used prefixes are "tf_tests", "tf_test", "tf-tests", "tf-test".