Unit tests are executed after module installation, which is sometimes
challenging when some part of the UI is modified by another module.
In this case, a test in module web/ was implicitely relying on a behaviour
introduced by the module document.
So, the test failed when document was not installed.
Since the installation of ´document´ module changes the toolbar display,
we check in the test if the module is installed to do the correct assertion.
fwi-odoo
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