fix: Use internal default transport

Author: jonathanedey

src/test/java/com/google/firebase/FirebaseOptionsTest.java

@@ -24,12 +24,12 @@
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 
-import com.google.api.client.http.javanet.NetHttpTransport;
 import com.google.api.client.json.gson.GsonFactory;
 import com.google.auth.oauth2.AccessToken;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.auth.oauth2.ServiceAccountCredentials;
 import com.google.cloud.firestore.FirestoreOptions;
+import com.google.firebase.internal.ApacheHttp2Transport;
 import com.google.firebase.testing.ServiceAccount;
 import com.google.firebase.testing.TestUtils;
 import java.io.IOException;
@@ -74,7 +74,7 @@ protected ThreadFactory getThreadFactory() {
   @Test
   public void createOptionsWithAllValuesSet() throws IOException {
     GsonFactory jsonFactory = new GsonFactory();
-    NetHttpTransport httpTransport = new NetHttpTransport();
+    ApacheHttp2Transport httpTransport = new ApacheHttp2Transport();
     FirestoreOptions firestoreOptions = FirestoreOptions.newBuilder().build();
     FirebaseOptions firebaseOptions =
         FirebaseOptions.builder()

src/test/java/com/google/firebase/messaging/FirebaseMessagingClientImplTest.java

@@ -358,7 +358,7 @@ public void initialize(HttpRequest httpRequest) {
         .setProjectId("test-project")
         .setJsonFactory(ApiClientUtils.getDefaultJsonFactory())
         .setRequestFactory(transport.createRequestFactory(initializer))
-        .setChildRequestFactory(Utils.getDefaultTransport().createRequestFactory())
+        .setChildRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory())
         .setResponseInterceptor(interceptor)
         .build();
 
@@ -558,7 +558,7 @@ private FirebaseMessagingClientImpl initMessagingClient(
         .setProjectId("test-project")
         .setJsonFactory(ApiClientUtils.getDefaultJsonFactory())
         .setRequestFactory(transport.createRequestFactory())
-        .setChildRequestFactory(Utils.getDefaultTransport().createRequestFactory())
+        .setChildRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory())
         .setResponseInterceptor(interceptor)
         .build();
   }
@@ -581,7 +581,7 @@ private FirebaseMessagingClientImpl initClientWithFaultyTransport() {
         .setProjectId("test-project")
         .setJsonFactory(ApiClientUtils.getDefaultJsonFactory())
         .setRequestFactory(transport.createRequestFactory())
-        .setChildRequestFactory(Utils.getDefaultTransport().createRequestFactory())
+        .setChildRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory())
         .build();
   }
 
@@ -665,8 +665,8 @@ private FirebaseMessagingClientImpl.Builder fullyPopulatedBuilder() {
     return FirebaseMessagingClientImpl.builder()
         .setProjectId("test-project")
         .setJsonFactory(ApiClientUtils.getDefaultJsonFactory())
-        .setRequestFactory(Utils.getDefaultTransport().createRequestFactory())
-        .setChildRequestFactory(Utils.getDefaultTransport().createRequestFactory());
+        .setRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory())
+        .setChildRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory());
   }
 
   private void checkExceptionFromHttpResponse(

src/test/java/com/google/firebase/messaging/InstanceIdClientImplTest.java

@@ -358,7 +358,7 @@ public void testRequestFactoryIsNull() {
 
   @Test(expected = NullPointerException.class)
   public void testJsonFactoryIsNull() {
-    new InstanceIdClientImpl(Utils.getDefaultTransport().createRequestFactory(), null);
+    new InstanceIdClientImpl(ApiClientUtils.getDefaultTransport().createRequestFactory(), null);
   }
 
   @Test

src/test/java/com/google/firebase/remoteconfig/FirebaseRemoteConfigClientImplTest.java

@@ -1173,7 +1173,7 @@ private FirebaseRemoteConfigClientImpl.Builder fullyPopulatedBuilder() {
     return FirebaseRemoteConfigClientImpl.builder()
             .setProjectId("test-project")
             .setJsonFactory(ApiClientUtils.getDefaultJsonFactory())
-            .setRequestFactory(Utils.getDefaultTransport().createRequestFactory());
+            .setRequestFactory(ApiClientUtils.getDefaultTransport().createRequestFactory());
   }
 
   private void checkGetRequestHeader(HttpRequest request) {