Error when running Corda flow tests from IntelliJ

Corda flows need to be instrumented using Quasar before they are run, so that they can be suspended mid-execution.

To achieve this in IntelliJ, you need to:

• Create a run config for your tests
• Open the run config and change the VM options to -ea -javaagent:PATH-TO-QUASAR-JAR
  • In the CorDapp example and templates, quasar.jar is located at lib/quasar.jar, so you'd use -ea -javaagent:../lib/quasar.jar

Alternatively, you can edit the default JUnit run config to use the Quasar javaagent by default, avoiding you having to do this every time you pick a new test to run.

This is a basic error that you get if you don't set Quasar, you need to select your test-> go to Intellij top bar-> Run -> Edit Configurations and then set up like this photo in VM options: