Changed logic to update app from utilizing DownloadManager to manual download

app/src/test/java/xyz/quaver/pupil/ExampleUnitTest.kt

@@ -27,12 +27,19 @@ package xyz.quaver.pupil
  */
 
 import org.junit.Test
+import xyz.quaver.pupil.util.download
+import java.io.File
+import java.net.URL
 
 class ExampleUnitTest {
 
     @Test
     fun test() {
-
+        URL("https://github.om/tom5079/Pupil/releases/download/4.2-beta2-hotfix2/Pupil-v4.2-beta2-hotfix2.apk").download(
+            File(System.getenv("USERPROFILE"), "Pupil.apk")
+        ) { downloaded, fileSize ->
+            println("%.1f%%".format(downloaded*100.0/fileSize))
+        }
     }
 
 }