diff --git a/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java b/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
index 0248f971dc..d17d8e53ae 100644
--- a/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/ConnectivityDiagnosticsManagerTest.java
@@ -57,6 +57,7 @@ import android.os.Build;
 import android.os.IBinder;
 import android.os.PersistableBundle;
 import android.os.Process;
+import android.platform.test.annotations.AppModeFull;
 import android.util.Pair;
 
 import androidx.test.InstrumentationRegistry;
@@ -74,6 +75,7 @@ import java.util.concurrent.Executor;
 
 @RunWith(DevSdkIgnoreRunner.class)
 @IgnoreUpTo(Build.VERSION_CODES.Q) // ConnectivityDiagnosticsManager did not exist in Q
+@AppModeFull(reason = "CHANGE_NETWORK_STATE, MANAGE_TEST_NETWORKS not grantable to instant apps")
 public class ConnectivityDiagnosticsManagerTest {
     private static final int CALLBACK_TIMEOUT_MILLIS = 5000;
     private static final int NO_CALLBACK_INVOKED_TIMEOUT = 500;
diff --git a/tests/cts/net/src/android/net/cts/DnsResolverTest.java b/tests/cts/net/src/android/net/cts/DnsResolverTest.java
index 28753ffc41..e6f75c353b 100644
--- a/tests/cts/net/src/android/net/cts/DnsResolverTest.java
+++ b/tests/cts/net/src/android/net/cts/DnsResolverTest.java
@@ -30,7 +30,6 @@ import android.content.Context;
 import android.content.ContentResolver;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
-import android.net.DnsPacket;
 import android.net.DnsResolver;
 import android.net.LinkProperties;
 import android.net.Network;
@@ -47,6 +46,8 @@ import android.system.ErrnoException;
 import android.test.AndroidTestCase;
 import android.util.Log;
 
+import com.android.net.module.util.DnsPacket;
+
 import java.net.Inet4Address;
 import java.net.Inet6Address;
 import java.net.InetAddress;