Add tests to make sure expected entry points exist (#1629)

testing/test_entry_points.py

@@ -0,0 +1,13 @@
+import pkg_resources
+
+import pytest
+
+
+@pytest.mark.parametrize("entrypoint", ['py.test', 'pytest'])
+def test_entry_point_exist(entrypoint):
+    assert entrypoint in pkg_resources.get_entry_map('pytest')['console_scripts']
+
+
+def test_pytest_entry_points_are_identical():
+    entryMap = pkg_resources.get_entry_map('pytest')['console_scripts']
+    assert entryMap['pytest'].module_name == entryMap['py.test'].module_name