diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 99db040..92b30a4 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -678,11 +678,20 @@
     @Deprecated
     public static final int TYPE_VPN = 17;
 
-    /** {@hide} */
-    public static final int MAX_RADIO_TYPE   = TYPE_VPN;
+    /**
+     * A network that is exclusively meant to be used for testing
+     *
+     * @deprecated Use {@link NetworkCapabilities} instead.
+     * @hide
+     */
+    @Deprecated
+    public static final int TYPE_TEST = 18; // TODO: Remove this once NetworkTypes are unused.
 
     /** {@hide} */
-    public static final int MAX_NETWORK_TYPE = TYPE_VPN;
+    public static final int MAX_RADIO_TYPE = TYPE_TEST;
+
+    /** {@hide} */
+    public static final int MAX_NETWORK_TYPE = TYPE_TEST;
 
     private static final int MIN_NETWORK_TYPE = TYPE_MOBILE;
 
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 7e9bda1..1d2d81d 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -597,6 +597,7 @@
             TRANSPORT_VPN,
             TRANSPORT_WIFI_AWARE,
             TRANSPORT_LOWPAN,
+            TRANSPORT_TEST,
     })
     public @interface Transport { }
 
@@ -635,10 +636,18 @@
      */
     public static final int TRANSPORT_LOWPAN = 6;
 
+    /**
+     * Indicates this network uses a Test-only virtual interface as a transport.
+     *
+     * @hide
+     */
+    @TestApi
+    public static final int TRANSPORT_TEST = 7;
+
     /** @hide */
     public static final int MIN_TRANSPORT = TRANSPORT_CELLULAR;
     /** @hide */
-    public static final int MAX_TRANSPORT = TRANSPORT_LOWPAN;
+    public static final int MAX_TRANSPORT = TRANSPORT_TEST;
 
     /** @hide */
     public static boolean isValidTransport(@Transport int transportType) {
@@ -652,7 +661,8 @@
         "ETHERNET",
         "VPN",
         "WIFI_AWARE",
-        "LOWPAN"
+        "LOWPAN",
+        "TEST"
     };
 
     /**
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 2cd25e4..eec9380 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2829,6 +2829,8 @@
         if (DBG) {
             log(nai.name() + " got DISCONNECTED, was satisfying " + nai.numNetworkRequests());
         }
+        // Clear all notifications of this network.
+        mNotifier.clearNotification(nai.network.netId);
         // A network agent has disconnected.
         // TODO - if we move the logic to the network agent (have them disconnect
         // because they lost all their requests or because their score isn't good)
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 963b685..c83ab84 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -3791,11 +3791,14 @@
     }
 
     @Test
-    public void testNattSocketKeepalives() throws Exception {
+    public void testNattSocketKeepalives_SingleThreadExecutor() throws Exception {
         final ExecutorService executorSingleThread = Executors.newSingleThreadExecutor();
         doTestNattSocketKeepalivesWithExecutor(executorSingleThread);
         executorSingleThread.shutdown();
+    }
 
+    @Test
+    public void testNattSocketKeepalives_InlineExecutor() throws Exception {
         final Executor executorInline = (Runnable r) -> r.run();
         doTestNattSocketKeepalivesWithExecutor(executorInline);
     }
@@ -3937,6 +3940,7 @@
         testSocket2.close();
 
         mWiFiNetworkAgent.disconnect();
+        waitFor(mWiFiNetworkAgent.getDisconnectedCV());
     }
 
     @Test