diff --git a/auth/test/test_signedgrant.py b/auth/test/test_signedgrant.py
index 8eacbfac6..e200f0bf1 100644
--- a/auth/test/test_signedgrant.py
+++ b/auth/test/test_signedgrant.py
@@ -5,16 +5,28 @@ from auth.validateresult import AuthKind, ValidateResult
 
 
 @pytest.mark.parametrize('header, expected_result', [
-  ('', ValidateResult(AuthKind.signed_grant, missing=True)),
-  ('somerandomtoken', ValidateResult(AuthKind.signed_grant, missing=True)),
-  ('token somerandomtoken', ValidateResult(AuthKind.signed_grant, missing=True)),
-  ('token ' + SIGNATURE_PREFIX + 'foo',
-   ValidateResult(AuthKind.signed_grant, error_message='Signed grant could not be validated')),
-  ('token ' + generate_signed_token({
-    'a': 'b'}, {'c': 'd'}), ValidateResult(AuthKind.signed_grant, signed_data={
-      'grants': {
-        'a': 'b'},
-      'user_context': {
-        'c': 'd'}})),])
+  pytest.param('', ValidateResult(AuthKind.signed_grant, missing=True), id='Missing'),
+  pytest.param('somerandomtoken', ValidateResult(AuthKind.signed_grant, missing=True),
+               id='Invalid header'),
+  pytest.param('token somerandomtoken', ValidateResult(AuthKind.signed_grant, missing=True),
+               id='Random Token'),
+  pytest.param('token ' + SIGNATURE_PREFIX + 'foo',
+               ValidateResult(AuthKind.signed_grant,
+                              error_message='Signed grant could not be validated'),
+               id='Invalid token'),
+])
 def test_token(header, expected_result):
   assert validate_signed_grant(header) == expected_result
+
+
+def test_valid_grant():
+  header = 'token ' + generate_signed_token({'a': 'b'}, {'c': 'd'})
+  expected = ValidateResult(AuthKind.signed_grant, signed_data={
+    'grants': {
+      'a': 'b',
+    },
+    'user_context': {
+      'c': 'd'
+    },
+  })
+  assert validate_signed_grant(header) == expected