slapos communicator has been moved in the prepareSlapOSForTestSuite method.
In order to do not generate useless communications when testnode is not
the master testnode.

In order to bypass an error on first web page creation.

In order to do bypass permission problems

erp5_configurator_standard: insert erp5_simulation bt5 dependencie into BusinessConfiguration_setupStandardBT5

This reverts commit 70dd84b9.

This reverts commit 59c3f7c3.