diff --git a/tests/conftest.py b/tests/conftest.py
index 69fce756c6..9364a8af5b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -10,7 +10,7 @@ def fetch_local_manifest(honor_exclusions: bool = True) -> dict[str, dict[str, s
     return sites_iterable
 
 @pytest.fixture()
-def sites_obj():
+def sites_obj() -> SitesInformation:
     sites_obj = SitesInformation(data_file_path=os.path.join(os.path.dirname(__file__), "../sherlock_project/resources/data.json"))
     yield sites_obj
 
diff --git a/tests/test_ux.py b/tests/test_ux.py
index 1feaf88a19..d82c95283d 100644
--- a/tests/test_ux.py
+++ b/tests/test_ux.py
@@ -30,7 +30,10 @@ def test_wildcard_username_expansion():
     assert sherlock.check_for_parameter('testtest') is False
     assert sherlock.check_for_parameter('test{?test') is False
     assert sherlock.check_for_parameter('test?}test') is False
-    assert sherlock.multiple_usernames('test{?}test') == ["test_test" , "test-test" , "test.test"]
+    assert sherlock.check_for_parameter('') is False
+    assert sherlock.multiple_usernames('test{?}test') == ["test_test", "test-test", "test.test"]
+    assert sherlock.multiple_usernames('testtest') == ["testtest", "testtest", "testtest"]
+    assert sherlock.multiple_usernames('{?}a{?}') == ["_a_", "-a-", ".a."]
 
 
 @pytest.mark.parametrize('cliargs', [