JacocoTestReport folder is not getting created

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apply plugin: 'jacoco'

ext {
    coverageExclusions = [
            '**/*Activity*.*',
            '**/*Fragment*.*',
            '**/R.class',
            '**/R$*.class',
            '**/BuildConfig.*',
    ]
}

jacoco {
    toolVersion = '0.8.6'
    reportsDir = file("$buildDir/reports")
}

tasks.withType(Test) {
    jacoco.includeNoLocationClasses = true
    // https://github.com/gradle/gradle/issues/5184#issuecomment-457865951
    jacoco.excludes = ['jdk.internal.*']
}

tasks.withType(Test) {
    finalizedBy jacocoTestReport // report is always generated after tests run
}

task jacocoTestReport(type: JacocoReport, dependsOn: ['testDebugUnitTest']) {
    group = "Reporting"
    description = "Generate Jacoco coverage reports for Debug build"

    reports {
        xml.enabled = true
        xml.outputLocation.set(new File("${project.buildDir}/reports/jacoco/jacocoTestReport/jacocoTestReport.xml"))
        html.enabled = true
    }

    def debugTree = fileTree(dir: "${buildDir}/intermediates/javac/debug/classes", excludes: coverageExclusions)
    def mainSrc = "/src/main/java"

    additionalSourceDirs.from = files(mainSrc)
    sourceDirectories.from = files([mainSrc])
    classDirectories.from = files([debugTree])

    executionData.from = files("$buildDir/jacoco/testDebugUnitTest.exec")
}

Above is my jacoco.gradle file. I have searched alot for this but not getting any solution. Jacoco is not able to generate the jacocoTestReport folder and .xml file because of which sonarqube coverage i am getting is 0%. What wrong i am doing in this ?

gradlejacocojacoco-plugin