Issue #2263329 by dawehner: CommentDefaultFormatterCacheTagsTest just works because nothing uses AccountProxyInterface in HEAD.
Issue #2226395 by benjy | penyaskito: Expand Drupal6FieldInstance testing with a float field.
Issue #2263255 by alexpott: Cache.config only has a single key in it for config schema this seems a waste.
Issue #2122761 by znerol, heddn: SessionHttpsTest only runs half the tests.