given:
        def original = jar(testDir.file("original.jar")) {
            manifest {
                multiRelease()
            }

            entry("Foo.class", ORIGINAL_CLASS)
        }

        def transformed = jar(testDir.file("transformed.jar")) {
            manifest {
                multiRelease()
            }

            entry("Foo.class", INSTRUMENTED_CLASS)

            file("build.gradle") << """
                plugins {
                    id("java")
                    id 'me.champeau.mrjar' version "0.1.1"
                }

                multiRelease {
                    targetVersions 8, 11
                }
            """
            file("src/main/java/org/gradle/test/mrjar/Foo.java") << """
                package org.gradle.test.mrjar;