Add mockito-core for instrumented tests

- Codacy code fixes

README.md

@@ -72,7 +72,7 @@ The library offers a view `KujakuMapView` that provides more functionality than
 - For Mapbox related functionality, [go here](https://docs.mapbox.com/android/maps/overview/)
 - For extra features provided by this library [go here](./SPECIFICATION.md)
 
-#### `Unable to resolve artifact: Missing` while running tests
+## `Unable to resolve artifact: Missing` while running tests
 
 This is encountered when Robolectric has problems downloading the jars it needs for different Android SDK levels. If you keep running into this you can download the JARs locally and point Robolectric to them by doing:
 

download-robolectric-deps.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 mkdir robolectric-deps
 wget -nc https://repo1.maven.org/maven2/org/robolectric/android-all/10-robolectric-5803371/android-all-10-robolectric-5803371.jar -P robolectric-deps
 wget -nc https://repo1.maven.org/maven2/org/robolectric/android-all/8.1.0-robolectric-4611349/android-all-8.1.0-robolectric-4611349.jar -P robolectric-deps

library/build.gradle

@@ -150,6 +150,7 @@ private static void testDependencies(instance, configuration) {
     configuration.testImplementation instance.androidxTestCore
     configuration.androidTestImplementation instance.junit
     configuration.androidTestImplementation 'org.mockito:mockito-android:2.7.22'
+    configuration.androidTestImplementation 'org.mockito:mockito-core:2.7.22'
     configuration.androidTestImplementation ('com.android.support.test.espresso:espresso-core:3.1.0', {
         exclude group: 'com.android.support', module: 'support-annotations'
         exclude group: 'net.sf.kxml', module: 'kxml2'

library/src/androidTest/java/io/ona/kujaku/downloaders/MapBoxOfflineResourcesDownloaderTest.java

@@ -28,7 +28,6 @@
 import java.util.concurrent.CountDownLatch;
 
 import io.ona.kujaku.BaseTest;
-import io.ona.kujaku.BuildConfig;
 import io.ona.kujaku.data.MapBoxDownloadTask;
 import io.ona.kujaku.listeners.IncompleteMapDownloadCallback;
 import io.ona.kujaku.listeners.OnDownloadMapListener;

library/src/main/java/io/ona/kujaku/KujakuLibrary.java

@@ -63,7 +63,7 @@ public static void init(Context context) {
         AndroidThreeTen.init(context);
 
         if (Timber.treeCount() < 1) {
-            timber.log.Timber.plant(new DebugTree());
+            Timber.plant(new DebugTree());
         }
     }