fix: providing empty button styles causes unreadable goldens

[jeroen-meijer]

Is there an existing issue for this?

• I have searched the existing issues.

Version

0.3.3

Description

Reproducible example gist can be found here.

In platform tests (and I suspect CI tests as well), if a Text is built but no default text style font family is found, it looks like "Ahem" is used as a fallback value, instead of "Roboto".

Steps to reproduce

1. Run a golden test and provide it a Theme with a textButtonTheme. Assign the style of this theme to TextButton.styleFrom. Provide this constructor an empty TextStyle.
2. Set this as the default theme in the AlchemistConfig or PlatformGoldensConfig.
3. Run the test.

Expected behavior

Default to "Roboto" when no font family is found.

Screenshots

Additional context and comments

No response

[jeroen-meijer]

CC @alestiago