Upgrade tests

Author: Doimhneacht

app/build.gradle

@@ -16,7 +16,7 @@ android {
     compileSdkVersion 34
     defaultConfig {
         applicationId "com.talkable.demo"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 34
         versionCode 34
         versionName "0.5.3"
@@ -39,6 +39,6 @@ dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation project(path: ':sdk')
     implementation 'com.google.android.material:material:1.0.0'
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.2.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
 }

app/src/androidTest/java/com/talkable/demo/ApplicationTest.java

@@ -1,13 +1,19 @@
 package com.talkable.demo;
 
 import android.app.Application;
-import android.test.ApplicationTestCase;
+import androidx.test.core.app.ApplicationProvider;
+import org.junit.Test;
+import static org.junit.Assert.*;
 
 /**
- * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ * <a href="https://developer.android.com/studio/test">Testing Fundamentals</a>
  */
-public class ApplicationTest extends ApplicationTestCase<Application> {
-    public ApplicationTest() {
-        super(Application.class);
+
+public class ApplicationTest {
+    @Test
+    public void testApplication() {
+        // Getting the application context using AndroidX ApplicationProvider
+        Application app = ApplicationProvider.getApplicationContext();
+        assertNotNull(app);  // Assert that the Application context is not null
     }
 }