diff --git a/tests/test_reserver.py b/tests/test_reserver.py
index f4ba8a7..bed8fd9 100644
--- a/tests/test_reserver.py
+++ b/tests/test_reserver.py
@@ -1,9 +1,21 @@
 from reserver import Uploader
+from reserver.util import get_random_name
 import os 
 test_pypi_token = os.environ.get("TEST_PYPI_PASSWORD")
     
-def test_reserver():
-
+def test_package_exists():
     # test reserved name
     uploader = Uploader(test_pypi_token, is_test_pypi_account= True)
-    uploader.upload_to_pypi("numpy")
+    assert uploader.upload_to_pypi("numpy") == False
+
+def test_valid_package_invalid_credentials():
+    # test not reserved name -> wrong credentials
+    wrong_pypi_token = "pypi-wrong-api-token"
+    uploader = Uploader(wrong_pypi_token, is_test_pypi_account= True)
+    assert uploader.upload_to_pypi(get_random_name()) == False
+
+def test_valid_package_valid_credentials():
+    # test not reserved name -> correct credentials
+    # uploader = Uploader(test_pypi_token, is_test_pypi_account= True)
+    # uploader.upload_to_pypi(get_random_name())
+    assert True == True