added thread parallelization and serial tests

tests/test_status.py

@@ -15,13 +15,19 @@ def hide_progress_bar(request):
     return request.param
 
 
-def test_hide_progress_bar(hide_progress_bar):
+@pytest.fixture(params=["thread", "process", "none"])
+def parallelization(request):
+    return request.param
+
+
+def test_hide_progress_bar(hide_progress_bar, parallelization):
 
     with signac.TemporaryProject(name=gen.PROJECT_NAME) as p, signac.TemporaryProject(
         name=gen.STATUS_OPTIONS_PROJECT_NAME
     ) as status_pr:
         gen.init(p)
         fp = gen._TestProject.get_project(root=p.root_directory())
+        fp.config["status_parallelization"] = parallelization
         status_pr.import_from(origin=gen.ARCHIVE_PATH)
         for job in status_pr:
             kwargs = job.statepoint()