Fixed UI tests

app/src/main/res/drawable/rounded_corner_bg.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ This Source Code Form is subject to the terms of the Mozilla Public
+  ~ License, v. 2.0. If a copy of the MPL was not distributed with this
+  ~ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+  -->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+    <solid android:color="@color/dark_grey"/>
+    <corners android:radius="6dp"/>
+</shape>

app/src/main/res/layout/fragment_item_list.xml

@@ -72,7 +72,7 @@
                 android:layout_height="48dp"
                 android:layout_alignParentBottom="true"
                 android:layout_margin="10dp"
-                android:background="@color/dark_grey"
+                android:background="@drawable/rounded_corner_bg"
                 android:gravity="center_vertical"
                 android:orientation="horizontal">