Add TestButler

android/build.gradle

@@ -22,7 +22,7 @@ android {
         vectorDrawables.useSupportLibrary = true
         archivesBaseName = "SurvivalManual-$versionName"
 
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "org.ligi.survivalmanual.runner.TestButlerJunitRunner"
     }
 
     buildFeatures {
@@ -77,4 +77,8 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.5.1'
     androidTestImplementation "androidx.test:core:1.5.0"
     androidTestImplementation "androidx.test:rules:1.5.0"
+
+    androidTestImplementation 'com.linkedin.testbutler:test-butler-library:2.2.1'
+    androidTestUtil 'com.linkedin.testbutler:test-butler-app:2.2.1'
+
 }

android/src/androidTest/java/org/ligi/survivalmanual/runner/TestButlerJunitRunner.java

@@ -0,0 +1,19 @@
+package org.ligi.survivalmanual.runner;
+
+import android.os.Bundle;
+import androidx.test.runner.AndroidJUnitRunner;
+import com.linkedin.android.testbutler.TestButler;
+
+public class TestButlerJunitRunner extends AndroidJUnitRunner {
+    @Override
+    public void onStart() {
+        TestButler.setup(getTargetContext());
+        super.onStart();
+    }
+
+    @Override
+    public void finish(int resultCode, Bundle results) {
+        TestButler.teardown(getTargetContext());
+        super.finish(resultCode, results);
+    }
+}