abstract String getAssertionError()

    def "can listen for test results"() {
        given:
        file('src/main/java/AppException.java') << """
            public class AppException extends Exception { }
        """.stripIndent()
        file('src/test/java/SomeTest.java') << """
            ${testFrameworkImports}

            public class SomeTest {

            dependencies { testImplementation 'junit:junit:4.13' }
        """
    }

    @Override
    void createPassingFailingTest() {
        file('src/main/java/AppException.java').writelns(
            "public class AppException extends Exception { }"
        )

        file('src/test/java/SomeTest.java') << """
            public class SomeTest {
                @org.junit.Test

        buildFile << """
            test {
                ignoreFailures = true
            }

            ${testListener()}
        """.stripIndent()
        file('src/test/java/AppException.java') << 'public class AppException extends Exception {}'
        file('src/test/java/SomeTest.java') << '''
            public class SomeTest {
                @org.testng.annotations.Test
                public void pass() {}

            test {
                useJUnitPlatform()
            }
        """
    }

    @Override
    void createPassingFailingTest() {
        file('src/main/java/AppException.java').writelns(
            "public class AppException extends Exception { }"
        )

        file('src/test/java/SomeTest.java') << """
            public class SomeTest {
                @org.junit.jupiter.api.Test

                    test {
                        useTestNG('7.4.0')
                    }
                }
            }
        """

        file('src/test/java/AppException.java') << 'public class AppException extends Exception {}'
        file('src/test/java/SomeTest.java') << '''
            import org.testng.annotations.Test;
            import static org.testng.Assert.assertEquals;

    def setup() {
        TestNGCoverage.enableTestNG(buildFile)
    }

    @Override
    void createPassingFailingTest() {
        file('src/test/java/AppException.java') << 'public class AppException extends Exception {}'
        file('src/test/java/SomeTest.java') << """
            public class SomeTest {
                @org.testng.annotations.Test
                public void ${failingTestCaseName}() {