skipped ":testReport"
    }

    def "test report task is skipped when there are no results"() {
        given:
        buildFile << """
            ${junitSetup}
            tasks.register('testReport', TestReport) {
                testResults.from(tasks.named('test', Test))
                destinationDirectory = reporting.baseDirectory.dir('tr')
            }
        """

        when:

Lastly, we add a `testReport` task that aggregates the test results from the `testResultsDirs` property, which contains all of the binary test results resolved from the `testReportData` configuration.

        def testReport = new JacocoReportXmlFixture(file("application/build/reports/jacoco/testCodeCoverageReport/testCodeCoverageReport.xml"))
        testReport.assertHasClassCoverage("application.Adder")
        testReport.assertHasClassCoverage("direct.Multiplier")
        testReport.assertHasClassCoverage("transitive.Powerize")
        testReport.assertHasClassButNoCoverage("transitive.Divisor")

        where:
        dsl << ['groovy', 'kotlin']
    }

    @UsesSample("testing/testReport")
    def "can create a custom TestReport task with #dsl dsl"() {
        given:
        TestFile dslDir = sample.dir.file(dsl)
        executer.inDirectory(dslDir)

        when:
        def result = succeeds("test", "testReport")

        then: "the test task is executed"
        result.assertTaskExecuted(":core:test")

            </tr>
            <tr>
                <td>org.gradle.api.tasks.testing.Test</td>
            </tr>
            <tr>
                <td>org.gradle.api.tasks.testing.TestReport</td>
            </tr>
            <tr>
                <td>org.gradle.api.tasks.bundling.War</td>
            </tr>
            <tr>
                <td>org.gradle.api.tasks.wrapper.Wrapper</td>