Adding WRITE_EXTRENAL_STORAGE permission in AndroidManifest.xml file.
diff --git a/tests/AndroidTests/AndroidManifest.xml b/tests/AndroidTests/AndroidManifest.xml
index 55d4d64..845f547 100644
--- a/tests/AndroidTests/AndroidManifest.xml
+++ b/tests/AndroidTests/AndroidManifest.xml
@@ -48,6 +48,7 @@
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_GSERVICES" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
+ <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.android.unit_tests.permission.TEST_GRANTED" />