Package tidy

- Modified the testing commands
- Added the requirements
- Moved python/tidy/tests to python/tidy/servo_tidy_tests for self tidy tests

python/tidy/tests/wrong_space.rs

@@ -1,7 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-pub struct TestStruct( 
-    pub testMember1: usize,
-	pub testMember2: bool,
);