Problem running tests with enabled preview features in surefire and failsafe

Question

I\'m trying to migrate a project to Java 12, with --enable-preview.

I added --enable-preview in compiler settings:

Answer 1

This works for me:

• mvn clean install works (with junit tests)
• IDEA recognizes module language level correctly as 12 (Preview) - Switch expressions
• junit tests in IDEA work

    
        org.apache.maven.plugins
        maven-compiler-plugin
        3.8.1
        
            12
            
                --enable-preview
            
        
    
    
        org.apache.maven.plugins
        maven-surefire-plugin
        2.22.2
        
            --enable-preview
        
    

Environment:

• Ubuntu 18.04.3 x64
• IDEA 2019.2.1
• Maven 3.6.0

• jdk:

  IMPLEMENTOR="Oracle Corporation"
  JAVA_VERSION="12"
  JAVA_VERSION_DATE="2019-03-19"
  

ADDITION: Similarly this approach works for java 13.