diff --git a/tests/test_upgrade.py b/tests/test_upgrade.py
index 43f58b80..b2f996f1 100644
--- a/tests/test_upgrade.py
+++ b/tests/test_upgrade.py
@@ -18,6 +18,21 @@ class TestUtilities(unittest.TestCase):
         for pkg in self.packages:
             self.assertFalse(False, Upgrade([]).is_package_upgradeable(pkg))
 
+    def test_for_sbo_repository(self):
+        upgrade = Upgrade([])
+        packages: list = list(upgrade.packages())
+        self.assertGreater(len(packages), 1)
+
+    def test_for_alien_repository(self):
+        upgrade = Upgrade(['-B'], 'alien')
+        packages: list = list(upgrade.packages())
+        self.assertGreater(len(packages), 1)
+
+    def test_for_slack_repository(self):
+        upgrade = Upgrade(['-B'], 'slack')
+        packages: list = list(upgrade.packages())
+        self.assertGreater(len(packages), 1)
+
 
 if __name__ == '__main__':
     unittest.main()