func CheckIsErr(t testing.TB, err error, msg string)
CheckIsErr fails if err ==nil. Print msg as an error message.
func CheckNoErr(t testing.TB, err error, msg string)
CheckNoErr fails if err !=nil. Print msg as an error message.
func CheckOk(result bool, msg string, t testing.TB)
CheckOk fails the test if result == false.
func CheckPanic(f func()) error
CheckPanic returns true if call to function 'f' caused panic.
func ReportError(t testing.TB, got, want interface{}, inputs ...interface{})
ReportError reports an error if got is different from want.