Set SDK version of android in a UnitTest. Using some reflection magice

SDKUtils.kt

@Test
fun `someTest-which-should-test-diffrent-behavior-on-diffrent-sdk-version`() {
    setSDK(Build.VERSION_CODES.N)
    //some test
    setSDK(Build.VERSION_CODES.M)
    // some test again with diffrent SDK verion       
}



fun setSDK(sdkVersion: Int) {
    setFinalStatic(Build.VERSION::class.java.getField("SDK_INT"), sdkVersion)
}

@Throws(Exception::class)
fun setFinalStatic(field: Field, newValue: Any) {
    field.isAccessible = true

    val modifiersField = Field::class.java.getDeclaredField("modifiers")
    modifiersField.isAccessible = true
    modifiersField.setInt(field, field.modifiers and Modifier.FINAL.inv())

    field.set(null, newValue)
}