diff --git a/test/test_validation.py b/test/test_validation.py
deleted file mode 100644
index 980e76b07..000000000
--- a/test/test_validation.py
+++ /dev/null
@@ -1,44 +0,0 @@
-import unittest
-from util.validation import validate_label_key
-
-class TestLabelKeyValidation(unittest.TestCase):
-  def assertValidKey(self, key):
-    self.assertTrue(validate_label_key(key))
-
-  def assertInvalidKey(self, key):
-    self.assertFalse(validate_label_key(key))
-
-  def test_basic_keys(self):
-    self.assertValidKey('foo')
-    self.assertValidKey('bar')
-
-    self.assertValidKey('foo1')
-    self.assertValidKey('bar2')
-
-    self.assertValidKey('1')
-    self.assertValidKey('12')
-    self.assertValidKey('123')
-    self.assertValidKey('1234')
-
-    self.assertValidKey('git-sha')
-
-    self.assertValidKey('com.coreos.something')
-    self.assertValidKey('io.quay.git-sha')
-
-  def test_invalid_keys(self):
-    self.assertInvalidKey('')
-    self.assertInvalidKey('git_sha')
-
-  def test_must_start_with_alphanumeric(self):
-    self.assertInvalidKey('-125')
-    self.assertInvalidKey('-foo')
-    self.assertInvalidKey('foo-')
-    self.assertInvalidKey('123-')
-
-  def test_no_double_dashesdots(self):
-    self.assertInvalidKey('foo--bar')
-    self.assertInvalidKey('foo..bar')
-
-
-if __name__ == '__main__':
-  unittest.main()
\ No newline at end of file
diff --git a/util/test/test_validation.py b/util/test/test_validation.py
index 2381f0455..1b8b319bb 100644
--- a/util/test/test_validation.py
+++ b/util/test/test_validation.py
@@ -1,6 +1,7 @@
 import pytest
 
-from util.validation import is_json
+from util.validation import is_json, validate_label_key
+
 
 @pytest.mark.parametrize('string_value,expected', [
   ('{}', True),
@@ -15,3 +16,35 @@ from util.validation import is_json
 ])
 def test_is_json(string_value, expected):
   assert is_json(string_value) == expected
+
+
+@pytest.mark.parametrize('key, is_valid', [
+  ('foo', True),
+  ('bar', True),
+
+  ('foo1', True),
+  ('bar2', True),
+
+  ('1', True),
+  ('12', True),
+  ('123', True),
+  ('1234', True),
+
+  ('git-sha', True),
+
+  ('com.coreos.something', True),
+  ('io.quay.git-sha', True),
+
+  ('', False),
+  ('git_sha', False),
+
+  ('-125', False),
+  ('-foo', False),
+  ('foo-', False),
+  ('123-', False),
+
+  ('foo--bar', False),
+  ('foo..bar', False),
+])
+def test_validate_label_key(key, is_valid):
+  assert validate_label_key(key) == is_valid