func testing.mustBeNil

4 uses

	testing (current package)
		cover.go#L72: func mustBeNil(err error) {
		cover.go#L85: 		mustBeNil(err)
		cover.go#L87: 		defer func() { mustBeNil(f.Close()) }()
		cover.go#L107: 				mustBeNil(err)