Run core tests in Safari. Partially addresses https://github.com/pyodide/pyodide/issues/989

It runs, but there are several test failures, I'll open separate issues about those.
package:
  name: brotli
  version: 1.0.9
  top-level:
    - brotli
source:
  url: https://files.pythonhosted.org/packages/2a/18/70c32fe9357f3eea18598b23aa9ed29b1711c3001835f7cf99a9818985d0/Brotli-1.0.9.zip
  sha256: 4d1b810aa0ed773f81dceda2cc7b403d01057458730e309856356d4ef4188438
about:
  home: https://github.com/google/brotli
  PyPI: https://pypi.org/project/brotli
  summary: Python bindings for the Brotli compression library
  license: MIT

package:
  name: brotli
  version: 1.0.9
  top-level:
    - brotli
source:
  url: https://files.pythonhosted.org/packages/2a/18/70c32fe9357f3eea18598b23aa9ed29b1711c3001835f7cf99a9818985d0/Brotli-1.0.9.zip
  sha256: 4d1b810aa0ed773f81dceda2cc7b403d01057458730e309856356d4ef4188438
about:
  home: https://github.com/google/brotli
  PyPI: https://pypi.org/project/brotli
  summary: Python bindings for the Brotli compression library
  license: MIT
