nock-nock/mock/mock.gradle

// This script must be applied in app/build.gradle for the paths here to work correctly

def copyMockFilesNeeded() {
    def srcGoogleServicesFile = file("../mock/mock-google-services.json")
    def destGoogleServicesFile = file("google-services.json")
    if (!destGoogleServicesFile.exists()) {
        destGoogleServicesFile.write(srcGoogleServicesFile.text)
    }
}

afterEvaluate {
    copyMockFilesNeeded()
}