given:
        file('src/test/java/org/gradle/AbstractHasRunWith.java') << """
            package org.gradle;

            ${testFrameworkImports}

            ${getRunOrExtendWithAnnotation('CustomRunnerOrExtension.class')}
            public abstract class AbstractHasRunWith {
            }
        """.stripIndent()
        if (supportsEmptyClassWithRunner) {