wrapper/build.gradle.kts

@@ -9,6 +9,8 @@ dependencies {
     implementation("com.squareup.retrofit2:retrofit:$retrofitVersion")
     implementation("com.squareup.retrofit2:converter-gson:$retrofitVersion")
 
+    // mock server response
+    testImplementation("com.squareup.okhttp3:mockwebserver:4.2.1")
     // use JUnit test framework
     testImplementation("junit:junit:4.12")
 }