Function TestErrorIs

core/errgroup/errgroup_test.go:27–33

(t *testing.T)

}
func TestErrorIs(t *testing.T) {
	testErr := errors.New("is")
	err := &Error{Err: fmt.Errorf("this is: %w", testErr)}
	if expected, got := true, errors.Is(err, testErr); expected != got {
		t.Fatalf("expected %v but got %v", expected, got)
	}
}

// errorString is a trivial implementation of error.
type errorString struct {