Fix test by adding some_dir to packages

Author: pquentin

tests/example_pkg/setup.py

@@ -9,7 +9,7 @@
     author_email="author@example.com",
     description="A package used to test unasync",
     url="https://github.com/pypa/sampleproject",
-    packages=["example_pkg", "example_pkg._async"],
+    packages=["example_pkg", "example_pkg._async", "example_pkg._async.some_dir"],
     cmdclass={"build_py": unasync.build_py},
     package_dir={"": "src"},
 )

tests/test_unasync.py

@@ -75,4 +75,4 @@ def test_project_structure_after_build_py():
         print(list_files(os.path.join(source_pkg_dir, "src/example_pkg/_async/.")))
         print(list_files(os.path.join(pkg_dir, "build/lib/example_pkg/_sync/.")))
 
-        assert list_files(os.path.join(tmpdir, "src/example_pkg/_async/.")) == list_files(os.path.join(pkg_dir, "build/lib/example_pkg/_sync/."))
+        assert list_files(os.path.join(source_pkg_dir, "src/example_pkg/_async/.")) == list_files(os.path.join(pkg_dir, "build/lib/example_pkg/_sync/."))