Test: Corrected use of quotes

ChangeLog

@@ -65,6 +65,8 @@
           Tomas Babej).
 - TW-1635 Running "task anystringatall" does not filter anything (thanks to
           Tomas Babej).
+- TW-1636 UUID with numeric-only first segment is not parsed properly (thanks
+          to Tomas Babej).
 - Prevent potential task duplication during import for non-pending tasks.
 - Show the active context in "context list", if any is active.
 - Fix "task edit" dropping annotation text after newlines.

test/uuid.t

@@ -138,7 +138,7 @@ class TestUUID(TestCase):
         self.assertIn("completed\n", out)
 
         code, out, err = self.t("12345678-1234-1234-1234-123456789012 export")
-        self.assertIn("'description':'six'", out)
+        self.assertIn('"description":"six"', out)
 
     def test_alpha_uuid(self):
         """Using alphabetic UUID"""