Add test for quoted empty with unquoted. Refs #873

Author: mnaberez

supervisor/tests/test_datatypes.py

@@ -174,6 +174,11 @@ def test_handles_empty_inside_quotes(self):
         expected = {'foo': ''}
         self.assertEqual(actual, expected)
 
+    def test_handles_empty_inside_quotes_with_second_unquoted_pair(self):
+        actual = datatypes.dict_of_key_value_pairs('foo="",bar=a')
+        expected = {'foo': '', 'bar': 'a'}
+        self.assertEqual(actual, expected)
+
     def test_handles_unquoted_non_alphanum(self):
         actual = self._callFUT(
             'HOME=/home/auser,FOO=/.foo+(1.2)-_/,'