Add a new `run_example` function that invokes the existing test runner with an `example=True` flag, and walk the `example/` and `example/import-module/` directories to execute all example files as tests. The `example` flag suppresses output comparison against expected lines, allowing examples that produce arbitrary output (or none) to pass without failure. Also comment out `foreign static bar` and `foreign baz(string)` in `example/syntax.wren` to prevent compilation errors when running it as a test.
Kyle Marek-Spartz
309446fca2