add a tad more static tests

$t->text_like( 'a[href="/register"]' => qr{Registrieren} );

$t->text_like( 'a[href="/login"]'    => qr{Anmelden} );

$t->get_ok('/register')->status_is(200);

$t->element_exists('input[name="csrf_token"]');

$t->element_exists('a[href="/impressum"]');

$t->text_like( 'button' => qr{Registrieren} );

$t->get_ok('/about')->status_is(200);

$t->get_ok('/api')->status_is(200);

$t->get_ok('/changelog')->status_is(200);

$t->get_ok('/legend')->status_is(200);

$t->get_ok('/offline.html')->status_is(200);

$t->get_ok('/login')->status_is(200);

$t->element_exists('input[name="csrf_token"]');

$t->text_like( 'button' => qr{Anmelden} );

$t->get_ok('/about')->status_is(200);

$t->get_ok('/recover')->status_is(200);

$t->get_ok('/register')->status_is(200);

$t->element_exists('input[name="csrf_token"]');

$t->element_exists('a[href="/impressum"]');

$t->text_like( 'button' => qr{Registrieren} );

# Protected sites should redirect to login form