Function checkStringOmits

doc/cmd_test.go:101–105

(t *testing.T, got, expected string)

}

func checkStringOmits(t *testing.T, got, expected string) {
	if strings.Contains(got, expected) {
		t.Errorf("Expected to not contain: \n %v\nGot: %v", expected, got)
	}
}