Fix Android tests (#23)

* Android tests working

* Clarifications

Author: mhsmith

tests/env.py

@@ -6,6 +6,7 @@
 
 import pytest
 
+ANDROID = sys.platform.startswith("android")
 LINUX = sys.platform.startswith("linux")
 MACOS = sys.platform.startswith("darwin")
 WIN = sys.platform.startswith("win32") or sys.platform.startswith("cygwin")

tests/pyproject.toml

@@ -33,6 +33,4 @@ pyodide.test-groups = ["numpy", "scipy"]
 ios.test-groups = ["numpy"]
 ios.xbuild-tools = ["cmake", "ninja"]
 ios.environment.PIP_EXTRA_INDEX_URL = "https://pypi.anaconda.org/beeware/simple"
-android.test-groups = ["numpy"]
-android.xbuild-tools = ["cmake", "ninja"]
-android.environment.PIP_EXTRA_INDEX_URL = "https://chaquo.com/pypi-13.1"
+android.environment.ANDROID_API_LEVEL = "24"  # Needed to include libc++ in the wheel.

tests/test_exceptions.py

@@ -76,7 +76,7 @@ def test_cross_module_exceptions(msg):
 
 # TODO: FIXME
 @pytest.mark.xfail(
-    "env.MACOS and env.PYPY",
+    "(env.MACOS and env.PYPY) or env.ANDROID",
     raises=RuntimeError,
     reason="See Issue #2847, PR #2999, PR #4324",
     strict=not env.PYPY,  # PR 5569