diff --git a/tests/python/pants_test/backend/python/tasks/test_ctypes_integration.py b/tests/python/pants_test/backend/python/tasks/test_ctypes_integration.py
index 5baf19248bbf..104a83858208 100644
--- a/tests/python/pants_test/backend/python/tasks/test_ctypes_integration.py
+++ b/tests/python/pants_test/backend/python/tasks/test_ctypes_integration.py
@@ -198,7 +198,7 @@ def _assert_ctypes_interop_with_mock_buildroot(self, toolchain_variant):
         build_root=buildroot.new_buildroot)
       self.assert_failure(pants_binary_strict_deps_failure)
       self.assertIn(self._include_not_found_message_for_variant[toolchain_variant],
-                    pants_binary_strict_deps_failure.stdout_dMata)
+                    pants_binary_strict_deps_failure.stdout_data)
 
     # TODO(#???): we need to provide the libstdc++.so.6.dylib which comes with gcc on osx in the
     # DYLD_LIBRARY_PATH during the 'run' goal somehow.
diff --git a/tests/python/pants_test/backend/python/tasks/util/build_local_dists_test_base.py b/tests/python/pants_test/backend/python/tasks/util/build_local_dists_test_base.py
index 649418baaf7f..53cfcbe425f4 100644
--- a/tests/python/pants_test/backend/python/tasks/util/build_local_dists_test_base.py
+++ b/tests/python/pants_test/backend/python/tasks/util/build_local_dists_test_base.py
@@ -117,8 +117,8 @@ def _create_distribution_synthetic_target(self, python_dist_target, extra_target
       for_subsystems=[PythonRepos, LibcDev],
       # TODO(#???): we should be testing all of these with both of our toolchains.
       options={
-        'libc-dev': {
-          'enable_libc_search': True,
+        'native-build-settings': {
+          'toolchain_variant': 'llvm',
         },
       })
     self.assertEqual(set(self._all_specified_targets()), set(context.build_graph.targets()))