Moved freeze_includes() to genscript

--HG--
branch : cx_freeze-support

testing/cx_freeze/runtests_setup.py

@@ -10,6 +10,6 @@ if __name__ == '__main__':
         version="0.1",
         description="exemple of how embedding py.test into an executable using cx_freeze",
         executables=[Executable("runtests_script.py")],
-        options={"build_exe": {'includes': pytest.cx_freeze_support.includes()}},
+        options={"build_exe": {'includes': pytest.freeze_includes()}},
     )
 

testing/test_genscript.py

@@ -36,3 +36,13 @@ def test_gen(testdir, anypython, standalone):
     result = standalone.run(anypython, testdir, p)
     assert result.ret != 0
 
+
+def test_freeze_includes():
+    """
+    Smoke test for freeze_includes(), to ensure that it works across all
+    supported python versions.
+    """
+    includes = pytest.freeze_includes()
+    assert len(includes) > 1
+    assert '_pytest.genscript' in includes
+