Fix password validator uppercase validation

PASSWORD RELATED/password-validator/PASSWORD_VALIDATOR.py

@@ -24,7 +24,7 @@ def passwordValidator():
     if ' ' in userPassword:
        message = 'Invalid Password..your password shouldn\'t contain space(s)'
        return message
-    if not any(i in string.ascii_letters for i in userPassword):
+    if not any(i in string.ascii_uppercase for i in userPassword):
        message = 'Invalid Password..your password should contain at least '
        message += 'an uppercase letter and a lowercase letter'
        return message

PASSWORD RELATED/password-validator/test_password_validator.py

@@ -0,0 +1,16 @@
+import unittest
+from unittest.mock import patch
+
+
+class TestPasswordValidator(unittest.TestCase):
+
+    def test_password_must_contain_uppercase(self):
+        with patch("builtins.input", return_value="abcdef1!"):
+            from PASSWORD_VALIDATOR import passwordValidator
+            result = passwordValidator()
+
+        self.assertIn("Invalid Password", result)
+
+
+if __name__ == "__main__":
+    unittest.main()