Junie: cleanups. Code fixups.

data/totp_test.go

@@ -8,7 +8,7 @@ import (
 )
 
 func TestTOTPBasic(t *testing.T) {
-	// Just test that we can import and use the package
+	// This test verifies that we can import and use the twofactor package.
 	totp := twofactor.TOTP{}
 	fmt.Printf("TOTP: %+v\n", totp)
 }