[FIX] web: increase timeout for JS unit tests
[FIX] web: increase timeout for JS unit tests

Some runbot servers are quite slow in the midday, and they fail the unit
tests because the 3min timeout is reached.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo