fix tests from mlz repo

- fix omit_unchanged
- names too short
+ other pylint complains
Change-Id: I3c277b461fad1a5fdf8e76ff1cc42b8742d1de16

Change-Id: I58fb64f91bcc2efef20df68f5c63a64315413286

test/test_params.py

@@ -93,7 +93,7 @@ def test_Override():
     assert id(Mod.p3) == id(Base.p3)
     assert repr(Mod.p2) == repr(Base.p2)  # must be a clone
     assert repr(Mod.p3) == repr(Base.p3)  # must be a clone
-    assert Mod.p1.default == True
+    assert Mod.p1.default is True
     # manipulating default makes Base.p1 and Mod.p1 match
     Mod.p1.default = False
     assert repr(Mod.p1) == repr(Base.p1)