You cannot use it.only, describe.only, this.only(), etc., in parallel mode. This is for the same reason as the incompatible reporters noted above: in parallel mode, Mocha does not load all files and suites into memory before running tests.
You cannot use it.only, describe.only, this.only(), etc., in parallel mode. This is for the same reason as the incompatible reporters noted above: in parallel mode, Mocha does not load all files and suites into memory before running tests.