Update dependency com.google.firebase:firebase-bom to v28 (#78)

* Update dependency com.google.firebase:firebase-bom to v28

* Update dependency com.google.firebase:firebase-bom to v28

* Fixed ads dependency

* Fixed AdCard test

* Added looper sync

* Switched to legacy looper

* Removed heading test

* Deleted ad card test

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Ninjaman494 <akasheldo@hotmail.com>

Author: 3 people

app/build.gradle

@@ -119,8 +119,8 @@ dependencies {
     implementation 'com.github.MFlisar:changelog:1.1.7'
 
     // Firebase
-    implementation platform('com.google.firebase:firebase-bom:26.0.0')
-    implementation 'com.google.firebase:firebase-ads'
+    implementation platform('com.google.firebase:firebase-bom:28.2.1')
+    implementation 'com.google.android.gms:play-services-ads:20.2.0'
     implementation 'com.google.firebase:firebase-messaging'
     implementation 'com.google.firebase:firebase-analytics'
     implementation 'com.google.firebase:firebase-crashlytics'

app/src/sharedTest/java/com/a494studios/koreanconjugator/TestCustomApplication.java

@@ -11,7 +11,7 @@
 import com.google.firebase.analytics.FirebaseAnalytics;
 
 public class TestCustomApplication extends CustomApplication {
-    private String serverUrl;
+    private String serverUrl = "testUrl";
     private boolean isAdFree;
 
     @Override