"Install and enable the Mocha repository plugin.The plugin is not bundled with IntelliJ IDEA, but it is available from theJetBrains plugin repository. "
Another reason that I've seen the Mocha option missing it when you downgrade IntelliJ but don't downgrade the Node.JS plugin. Once I ran "Check for Updates...", Mocha was once again there.
Please see https://www.jetbrains.com/idea/help/running-mocha-unit-tests.html .
Mocha run/debug configuration is provided by Node.JS plug-in.
Those are the instructions I was following
"Install and enable the Mocha repository plugin.The plugin is not bundled with IntelliJ IDEA, but it is available from theJetBrains plugin repository. "
Except I can't find any reference to it on the JetBrains plugin repository.
The documentation is a bit obsolete and will be fixed, thanks.
Still, after installing Node.JS plug-in you will have Mocha run/debug configuration:
Indeed I do. Thank you for pointing it out.
Another reason that I've seen the Mocha option missing it when you downgrade IntelliJ but don't downgrade the Node.JS plugin. Once I ran "Check for Updates...", Mocha was once again there.