tests: Pick up rotated XSRF token after login
tests: Pick up rotated XSRF token after login

At some point, Django started rotating XSRF tokens after login.  If we
don't pick up the rotated token, the tests fail with a 403 error and the
message "CSRF verification failed. Request aborted."

Signed-off-by: Tim Serong <179776560e3cc6916f9eda0b631970b6e8e82669@suse.com>

r0h4n/ceph-integration