See https://ci-builds.apache.org/job/Maven/job/maven-box/job/maven-plugin-testing/job/master/16/
Changes: * Add Java 16 to available runtimes * Added JDK 16 for Windows * Java 16-ea has not been installed on the Windows Jenkins hosts yet. * introduce optional tmpWs for Windows to prevent long path failures * fix } * don't pick up tmpWs from a context * Revert "don't pick up tmpWs from a context" * Spaces instead of tabs * introduce optional tmpWs * pwd() doesn't seem to work on slaves? * Using $WORKSPACE instead of env.WORKSPACE as this could behave inconsistent when used on parallel nodes. * Attempting to get the right workspace directory in parallel nodes using a withEnv block. * Attempting to get the right workspace directory in parallel nodes using a withEnv block. fix; envs should be prefixed with the `env.` prefix. * Using !isUnix() to check whether the node is running Windows or not * Shorten the windows filepath even further * Restored the full default jdk matrix including the current and ea version * Restored the full maven version matrix default All tests passed