}
		if got != tt.err {
			t.Errorf("%d. got error = %q; want %q", i, got, tt.err)
		}
	}
}

// Issue 17794: don't send a trailing space on AUTH command when there's no password.
func TestClientAuthTrimSpace(t *testing.T) {
	server := "220 hello world\r\n" +
		"200 some more"
	var wrote strings.Builder
	var fake faker
	fake.ReadWriter = struct {
		io.Reader
		io.Writer
	}{