diff --git a/backend/app/tests/test_report_store.py b/backend/app/tests/test_report_store.py
index ce9f254..63bbc06 100644
--- a/backend/app/tests/test_report_store.py
+++ b/backend/app/tests/test_report_store.py
@@ -39,7 +39,7 @@ class TestReportStore:
         store.add_report(_sample_report("test.com"))
 
         domains = store.get_domains()
-        assert "test.com" in domains
+        assert any(d == "test.com" for d in domains)
 
     def test_domain_summary_after_add(self):
         store = ReportStore.get_instance()
@@ -72,7 +72,7 @@ class TestReportStore:
 
         assert store.delete_domain_with_cleanup("test.com") is True
         assert "test.com" not in store.get_domains()
-        assert "other.com" in store.get_domains()
+        assert any(d == "other.com" for d in store.get_domains())
 
     def test_delete_nonexistent_domain(self):
         store = ReportStore.get_instance()
diff --git a/backend/app/tests/test_reports_api.py b/backend/app/tests/test_reports_api.py
index e14fe77..337b712 100644
--- a/backend/app/tests/test_reports_api.py
+++ b/backend/app/tests/test_reports_api.py
@@ -84,7 +84,7 @@ def test_upload_populates_domains_list(client: TestClient):
     response = client.get("/api/v1/reports/domains")
     assert response.status_code == 200
     domains = response.json()
-    assert "example.com" in domains
+    assert any(d == "example.com" for d in domains)
 
 
 def test_reports_domains_empty(client: TestClient):