Startup:
    - terminal log shows unit tests running

* Initializing settings:

    - from previous session
        - Filename as absolute path
        - Filename as relative path
    - from defaults
  - delete app settings, start; window opens running the text editor
  - quit while running the text editor, restart; window opens running the text editor in same position+dimensions
  - quit while editing source (color; no selection), restart; window opens editing source in same position+dimensions
  - start out running the text editor, move window, press ctrl+e twice; window is running text editor in same position+dimensions
  - start out editing source, move window, press ctrl+e twice; window is editing source in same position+dimensions
  - no log file; switching to source works

  - from previous session
    - Filename as absolute path
    - Filename as relative path
  - from defaults

Code loading:
* run love with directory; text editor runs
* run love with zip file; text editor runs