fix SyntaxError and remove extra test (tests are slow enough as it is)

Author: Mike Dirolf

test/test_collection.py

@@ -521,11 +521,9 @@ def test_group(self):
 
  def group_checker(args, expected):
  eval = db.test.group(*args)
- cmd = db.test.group(*args, command=True)
+ cmd = db.test.group(*args, **{"command": True})
  self.assertEqual(eval, expected)
  self.assertEqual(cmd, expected)
- self.assertEqual(eval, cmd)
- #last one is not strictly necessary but there for completeness
 
 
  args = [[], {},