createTestResources method to configure MockMaker for Android Kotlin projects. Compatible with Gradle 5+

build.gradle

task createTestResources {
    description = "Allows Mocking non-final classes and data classes in a Kotlin project"
    doLast {
        def mockMakerFile = new File("$projectDir/src/test/resources/mockito-extensions/org.mockito.plugins.MockMaker")
        if (System.env.MOCK_MAKER != null) {
            logger.info("Using MockMaker ${System.env.MOCK_MAKER}")
            mockMakerFile.parentFile.mkdirs()
            mockMakerFile.createNewFile()
            mockMakerFile.write(System.env.MOCK_MAKER)
        } else {
            logger.info("Using default MockMaker")
        }
    }
}