add tests

add tests

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

[skip ci]

Author: alperozturk96

library/src/androidTest/java/com/owncloud/android/lib/resources/files/DownloadFileRemoteOperationIT.kt

@@ -8,6 +8,7 @@
  */
 package com.owncloud.android.lib.resources.files
 
+import com.nextcloud.common.NextcloudClient
 import com.owncloud.android.AbstractIT
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse