diff --git a/tests/packages/has-data-files/setup.py b/tests/packages/has-data-files/setup.py
index 9c1d4efb..d9183cc9 100644
--- a/tests/packages/has-data-files/setup.py
+++ b/tests/packages/has-data-files/setup.py
@@ -3,10 +3,9 @@
 setup(
     name="test-package-with-data",
     version="1.0.0",
-    packages=find_packages(where="src"),
-    package_dir={"": "src"},
+    packages=find_packages(),
     data_files=[
-        ("share/test-package-with-data/data", ["src/test_package_with_data/data/test.txt"]),
-        ("share/test-package-with-data", ["src/test_package_with_data/share/config.json"]),
+        ("share/test-package-with-data/data", ["test_package_with_data/data/test.txt"]),
+        ("share/test-package-with-data", ["test_package_with_data/share/config.json"]),
     ],
 )
diff --git a/tests/packages/has-data-files/test_package_with_data/__init__.py b/tests/packages/has-data-files/test_package_with_data/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/packages/has-data-files/test_package_with_data/data/test.txt b/tests/packages/has-data-files/test_package_with_data/data/test.txt
new file mode 100644
index 00000000..f6efc402
--- /dev/null
+++ b/tests/packages/has-data-files/test_package_with_data/data/test.txt
@@ -0,0 +1 @@
+test data file
diff --git a/tests/packages/has-data-files/test_package_with_data/share/config.json b/tests/packages/has-data-files/test_package_with_data/share/config.json
new file mode 100644
index 00000000..0967ef42
--- /dev/null
+++ b/tests/packages/has-data-files/test_package_with_data/share/config.json
@@ -0,0 +1 @@
+{}
diff --git a/tests/test_installer_data_files.py b/tests/test_installer_data_files.py
index 83af683c..7201f70f 100644
--- a/tests/test_installer_data_files.py
+++ b/tests/test_installer_data_files.py
@@ -43,7 +43,6 @@ def test_package_wheel_path(tmp_path_factory):
     )
 
 
-@pytest.mark.skip(reason="Test has CI-only failures that need investigation")
 def test_install_installer_data_files_present(
     tmp_env: TmpEnvFixture,
     test_package_wheel_path: Path,
@@ -54,7 +53,7 @@ def test_install_installer_data_files_present(
     build_path.mkdir()
 
     with tmp_env("python=3.12", "pip") as prefix:
-        python_executable = Path(prefix, get_python_short_path()) / "python"
+        python_executable = Path(prefix, get_python_short_path())
 
         installer.install_installer(
             str(python_executable),