Test fixes ; set session cookie when resetting password

src/metabase/api/session.clj

src/metabase/api/setup.clj

src/metabase/middleware/session.clj

test/expectation_options.clj

test/metabase/api/session_test.clj

test/metabase/test/data/users.clj

test/metabase/test/util.clj

test/metabase/test_setup.clj

test/metabase/util_test.clj