Tests: set privacy level explicitly (#10852)

This fixes tests on .com

Author: stsewd

readthedocs/proxito/tests/test_hosting.py

@@ -405,7 +405,10 @@ def test_flyout_single_version_project(self):
 
     def test_project_subproject(self):
         subproject = fixture.get(
-            Project, slug="subproject", repo="https://github.com/readthedocs/subproject"
+            Project,
+            slug="subproject",
+            repo="https://github.com/readthedocs/subproject",
+            privacy_level=PUBLIC,
         )
         self.project.add_subproject(subproject)