[devtools] qunit: use new assert APIs
test functions now accept an "assert" argument which exposes QUnit's
assert methods: assert.{expect,equal,deepEqual,ok}
Related to #5533333.
/*
* cubicweb js mock for unit tests
* This module defines variables and functions used in quite a few places
* in cw js framework that can't be used or guessed without a real CW server
*/
var pageid = 'my-page-id';
function _(message) {
return message;
}