How to set JVM parameters for Junit Unit Tests?

Question

I have some Junit unit tests that require a large amount of heap-space to run - i.e. 1G. (They test memory-intensive functionality for a webstart app that will only run with

Answer 1

According to this support question https://intellij-support.jetbrains.com/hc/en-us/community/posts/206165789-JUnit-default-heap-size-overridden-

the -Xmx argument for an IntelliJ junit test run will come from the maven-surefire-plugin, if it's set.

This pom.xml snippet

        
            org.apache.maven.plugins
            maven-surefire-plugin
            
                -Xmx1024m
            
        

seems to pass the -Xmx1024 argument to the junit test run, with IntelliJ 2016.2.4.