Rename collection tests

Author: JonnyWong16

tests/test_collection.py

@@ -93,22 +93,22 @@ def test_Collection_items(collection):
     assert len(items) == 1
 
 
-def test_library_Collection_posters(collection):
+def test_Collection_posters(collection):
     posters = collection.posters()
     assert posters
 
 
-def test_library_Collection_art(collection):
+def test_Collection_art(collection):
     arts = collection.arts()
     assert not arts  # Collection has no default art
 
 
-def test_library_Collection_mixins_images(collection):
+def test_Collection_mixins_images(collection):
     test_mixins.edit_art(collection)
     test_mixins.edit_poster(collection)
     test_mixins.attr_artUrl(collection)
     test_mixins.attr_posterUrl(collection)
 
 
-def test_library_Collection_mixins_tags(collection):
+def test_Collection_mixins_tags(collection):
     test_mixins.edit_label(collection)