The Messenger: Make modules and tests PEP8 (#2276)

* The Messenger: PEP8 module and test names

* fix dumb

* whitespace

worlds/messenger/test/test_notes.py

@@ -0,0 +1,35 @@
+from . import MessengerTestBase
+from ..constants import NOTES
+
+
+class TwoNoteGoalTest(MessengerTestBase):
+    options = {
+        "notes_needed": 2,
+    }
+
+    def test_precollected_notes(self) -> None:
+        self.assertEqual(self.multiworld.state.count_group("Notes", self.player), 4)
+
+
+class FourNoteGoalTest(MessengerTestBase):
+    options = {
+        "notes_needed": 4,
+    }
+
+    def test_precollected_notes(self) -> None:
+        self.assertEqual(self.multiworld.state.count_group("Notes", self.player), 2)
+
+
+class DefaultGoalTest(MessengerTestBase):
+    def test_precollected_notes(self) -> None:
+        self.assertEqual(self.multiworld.state.count_group("Notes", self.player), 0)
+
+    def test_goal(self) -> None:
+        self.assertBeatable(False)
+        self.collect_by_name(NOTES)
+        rope_dart = self.get_item_by_name("Rope Dart")
+        self.collect(rope_dart)
+        self.assertBeatable(True)
+        self.remove(rope_dart)
+        self.collect_by_name("Wingsuit")
+        self.assertBeatable(True)