diff --git a/tests/cts/net/src/android/net/wifi/aware/OWNERS b/tests/cts/net/src/android/net/wifi/aware/OWNERS
index 4afc47f..cf116f8 100644
--- a/tests/cts/net/src/android/net/wifi/aware/OWNERS
+++ b/tests/cts/net/src/android/net/wifi/aware/OWNERS
@@ -1,2 +1 @@
 etancohen@google.com
-satk@google.com
\ No newline at end of file
diff --git a/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java b/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
index af91fbf..b09d458 100644
--- a/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
+++ b/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
@@ -21,7 +21,10 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
@@ -32,9 +35,13 @@
 import android.net.wifi.hotspot2.PasspointConfiguration;
 import android.net.wifi.hotspot2.pps.Credential;
 import android.net.wifi.hotspot2.pps.HomeSp;
+import android.os.Process;
 import android.os.SystemClock;
 import android.provider.Settings;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.uiautomator.UiDevice;
 import android.test.AndroidTestCase;
+import android.util.ArraySet;
 import android.util.Log;
 
 import com.android.compatibility.common.util.WifiConfigCreator;
@@ -45,6 +52,7 @@
 import java.security.cert.X509Certificate;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -60,6 +68,7 @@
     private List<ScanResult> mScanResults = null;
     private NetworkInfo mNetworkInfo;
     private Object mLOHSLock = new Object();
+    private UiDevice mUiDevice;
 
     // Please refer to WifiManager
     private static final int MIN_RSSI = -100;
@@ -84,6 +93,7 @@
     private static final int TIMEOUT_MSEC = 6000;
     private static final int WAIT_MSEC = 60;
     private static final int DURATION = 10000;
+    private static final int DURATION_SCREEN_TOGGLE = 2000;
     private static final int WIFI_SCAN_TEST_INTERVAL_MILLIS = 60 * 1000;
     private static final int WIFI_SCAN_TEST_CACHE_DELAY_MILLIS = 3 * 60 * 1000;
     private static final int WIFI_SCAN_TEST_ITERATIONS = 5;
@@ -156,6 +166,8 @@
         mWifiLock.acquire();
         if (!mWifiManager.isWifiEnabled())
             setWifiEnabled(true);
+        mUiDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
+        turnScreenOnNoDelay();
         Thread.sleep(DURATION);
         assertTrue(mWifiManager.isWifiEnabled());
         synchronized (mMySync) {
@@ -396,6 +408,10 @@
         return getContext().getPackageManager().hasSystemFeature(PackageManager.FEATURE_LOCATION);
     }
 
+    private boolean hasAutomotiveFeature() {
+        return getContext().getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
+    }
+
     /**
      * test point of wifiManager NetWork:
      * 1.add NetWork
@@ -835,6 +851,11 @@
             // check if we got the callback
             assertTrue(callback.onStartedCalled);
             assertNotNull(callback.reservation.getWifiConfiguration());
+            if (!hasAutomotiveFeature()) {
+                assertEquals(
+                        WifiConfiguration.AP_BAND_2GHZ,
+                        callback.reservation.getWifiConfiguration().apBand);
+            }
             assertFalse(callback.onFailedCalled);
             assertFalse(callback.onStoppedCalled);
         }
@@ -951,4 +972,203 @@
 
         stopLocalOnlyHotspot(callback, wifiEnabled);
     }
+
+    /**
+     * Verify that the {@link android.Manifest.permission#NETWORK_STACK} permission is never held by
+     * any package.
+     * <p>
+     * No apps should <em>ever</em> attempt to acquire this permission, since it would give those
+     * apps extremely broad access to connectivity functionality.
+     */
+    public void testNetworkStackPermission() {
+        final PackageManager pm = getContext().getPackageManager();
+
+        final List<PackageInfo> holding = pm.getPackagesHoldingPermissions(new String[] {
+                android.Manifest.permission.NETWORK_STACK
+        }, PackageManager.MATCH_UNINSTALLED_PACKAGES);
+        for (PackageInfo pi : holding) {
+            fail("The NETWORK_STACK permission must not be held by " + pi.packageName
+                    + " and must be revoked for security reasons");
+        }
+    }
+
+    /**
+     * Verify that the {@link android.Manifest.permission#NETWORK_SETTINGS} permission is
+     * never held by any package.
+     * <p>
+     * Only Settings, SysUi and shell apps should <em>ever</em> attempt to acquire this
+     * permission, since it would give those apps extremely broad access to connectivity
+     * functionality.  The permission is intended to be granted to only those apps with direct user
+     * access and no others.
+     */
+    public void testNetworkSettingsPermission() {
+        final PackageManager pm = getContext().getPackageManager();
+
+        final ArraySet<String> allowedPackages = new ArraySet();
+        final ArraySet<Integer> allowedUIDs = new ArraySet();
+        // explicitly add allowed UIDs
+        allowedUIDs.add(Process.SYSTEM_UID);
+        allowedUIDs.add(Process.SHELL_UID);
+        allowedUIDs.add(Process.PHONE_UID);
+
+        // only quick settings is allowed to bind to the BIND_QUICK_SETTINGS_TILE permission, using
+        // this fact to determined allowed package name for sysui
+        String validPkg = "";
+        final List<PackageInfo> sysuiPackage = pm.getPackagesHoldingPermissions(new String[] {
+                android.Manifest.permission.BIND_QUICK_SETTINGS_TILE
+        }, PackageManager.MATCH_UNINSTALLED_PACKAGES);
+
+        if (sysuiPackage.size() > 1) {
+            fail("The BIND_QUICK_SETTINGS_TILE permission must only be held by one package");
+        }
+
+        if (sysuiPackage.size() == 1) {
+            validPkg = sysuiPackage.get(0).packageName;
+            allowedPackages.add(validPkg);
+        }
+
+        // the captive portal flow also currently holds the NETWORK_SETTINGS permission
+        final Intent intent = new Intent(ConnectivityManager.ACTION_CAPTIVE_PORTAL_SIGN_IN);
+        final ResolveInfo ri = pm.resolveActivity(intent, PackageManager.MATCH_DISABLED_COMPONENTS);
+        if (ri != null) {
+            allowedPackages.add(ri.activityInfo.packageName);
+        }
+
+        final List<PackageInfo> holding = pm.getPackagesHoldingPermissions(new String[] {
+                android.Manifest.permission.NETWORK_SETTINGS
+        }, PackageManager.MATCH_UNINSTALLED_PACKAGES);
+        for (PackageInfo pi : holding) {
+            String packageName = pi.packageName;
+            if (allowedPackages.contains(packageName)) {
+                // this is an explicitly allowed package
+            } else {
+                // now check if the packages are from allowed UIDs
+                boolean allowed = false;
+                try {
+                    if (allowedUIDs.contains(pm.getPackageUid(packageName, 0))) {
+                        allowed = true;
+                        Log.d(TAG, packageName + " is on an allowed UID");
+                    }
+                } catch (PackageManager.NameNotFoundException e) { }
+                if (!allowed) {
+                    fail("The NETWORK_SETTINGS permission must not be held by "
+                            + packageName + " and must be revoked for security reasons");
+                }
+            }
+        }
+    }
+
+    /**
+     * Verify that the {@link android.Manifest.permission#NETWORK_SETUP_WIZARD} permission is
+     * only held by the device setup wizard application.
+     * <p>
+     * Only the SetupWizard app should <em>ever</em> attempt to acquire this
+     * permission, since it would give those apps extremely broad access to connectivity
+     * functionality.  The permission is intended to be granted to only the device setup wizard.
+     */
+    public void testNetworkSetupWizardPermission() {
+        final PackageManager pm = getContext().getPackageManager();
+
+        final Intent intent = new Intent(Intent.ACTION_MAIN);
+        intent.addCategory(Intent.CATEGORY_SETUP_WIZARD);
+        final ResolveInfo ri = pm.resolveActivity(intent, PackageManager.MATCH_DISABLED_COMPONENTS);
+        String validPkg = "";
+        if (ri != null) {
+            validPkg = ri.activityInfo.packageName;
+        }
+
+        final List<PackageInfo> holding = pm.getPackagesHoldingPermissions(new String[] {
+                android.Manifest.permission.NETWORK_SETUP_WIZARD
+        }, PackageManager.MATCH_UNINSTALLED_PACKAGES);
+        for (PackageInfo pi : holding) {
+            if (!Objects.equals(pi.packageName, validPkg)) {
+                fail("The NETWORK_SETUP_WIZARD permission must not be held by " + pi.packageName
+                    + " and must be revoked for security reasons [" + validPkg +"]");
+            }
+        }
+    }
+
+    private void turnScreenOnNoDelay() throws Exception {
+        mUiDevice.executeShellCommand("input keyevent KEYCODE_WAKEUP");
+        mUiDevice.executeShellCommand("wm dismiss-keyguard");
+    }
+
+    private void turnScreenOn() throws Exception {
+        turnScreenOnNoDelay();
+        // Since the screen on/off intent is ordered, they will not be sent right now.
+        Thread.sleep(DURATION_SCREEN_TOGGLE);
+    }
+
+    private void turnScreenOff() throws Exception {
+        mUiDevice.executeShellCommand("input keyevent KEYCODE_SLEEP");
+        // Since the screen on/off intent is ordered, they will not be sent right now.
+        Thread.sleep(DURATION_SCREEN_TOGGLE);
+    }
+
+    /**
+     * Verify that Wi-Fi scanning is not turned off when the screen turns off while wifi is disabled
+     * but location is on.
+     * @throws Exception
+     */
+    public void testScreenOffDoesNotTurnOffWifiScanningWhenWifiDisabled() throws Exception {
+        if (!WifiFeature.isWifiSupported(getContext())) {
+            // skip the test if WiFi is not supported
+            return;
+        }
+        if (!hasLocationFeature()) {
+            // skip the test if location is not supported
+            return;
+        }
+        if (!isLocationEnabled()) {
+            fail("Please enable location for this test - since Marshmallow WiFi scan results are"
+                    + " empty when location is disabled!");
+        }
+        if(!mWifiManager.isScanAlwaysAvailable()) {
+            fail("Please enable Wi-Fi scanning for this test!");
+        }
+        setWifiEnabled(false);
+        turnScreenOn();
+        assertWifiScanningIsOn();
+        // Toggle screen and verify Wi-Fi scanning is still on.
+        turnScreenOff();
+        assertWifiScanningIsOn();
+        turnScreenOn();
+        assertWifiScanningIsOn();
+    }
+
+    /**
+     * Verify that Wi-Fi scanning is not turned off when the screen turns off while wifi is enabled.
+     * @throws Exception
+     */
+    public void testScreenOffDoesNotTurnOffWifiScanningWhenWifiEnabled() throws Exception {
+        if (!WifiFeature.isWifiSupported(getContext())) {
+            // skip the test if WiFi is not supported
+            return;
+        }
+        if (!hasLocationFeature()) {
+            // skip the test if location is not supported
+            return;
+        }
+        if (!isLocationEnabled()) {
+            fail("Please enable location for this test - since Marshmallow WiFi scan results are"
+                    + " empty when location is disabled!");
+        }
+        if(!mWifiManager.isScanAlwaysAvailable()) {
+            fail("Please enable Wi-Fi scanning for this test!");
+        }
+        setWifiEnabled(true);
+        turnScreenOn();
+        assertWifiScanningIsOn();
+        // Toggle screen and verify Wi-Fi scanning is still on.
+        turnScreenOff();
+        assertWifiScanningIsOn();
+        turnScreenOn();
+        assertWifiScanningIsOn();
+    }
+
+    private void assertWifiScanningIsOn() {
+        if(!mWifiManager.isScanAlwaysAvailable()) {
+            fail("Wi-Fi scanning should be on.");
+        }
+    }
 }
diff --git a/tests/cts/net/src/android/net/wifi/rtt/OWNERS b/tests/cts/net/src/android/net/wifi/rtt/OWNERS
index 4afc47f..cf116f8 100644
--- a/tests/cts/net/src/android/net/wifi/rtt/OWNERS
+++ b/tests/cts/net/src/android/net/wifi/rtt/OWNERS
@@ -1,2 +1 @@
 etancohen@google.com
-satk@google.com
\ No newline at end of file
diff --git a/tests/cts/net/src/android/net/wifi/rtt/cts/WifiRttTest.java b/tests/cts/net/src/android/net/wifi/rtt/cts/WifiRttTest.java
index 74a0c3d..20791c0 100644
--- a/tests/cts/net/src/android/net/wifi/rtt/cts/WifiRttTest.java
+++ b/tests/cts/net/src/android/net/wifi/rtt/cts/WifiRttTest.java
@@ -16,11 +16,9 @@
 
 package android.net.wifi.rtt.cts;
 
-import android.content.IntentFilter;
 import android.net.wifi.ScanResult;
 import android.net.wifi.rtt.RangingRequest;
 import android.net.wifi.rtt.RangingResult;
-import android.net.wifi.rtt.WifiRttManager;
 
 import com.android.compatibility.common.util.DeviceReportLog;
 import com.android.compatibility.common.util.ResultType;
@@ -64,7 +62,10 @@
 
         // Scan for IEEE 802.11mc supporting APs
         ScanResult testAp = scanForTestAp(NUM_SCANS_SEARCHING_FOR_IEEE80211MC_AP);
-        assertTrue("Cannot find test AP", testAp != null);
+        assertTrue(
+                "Cannot find any test APs which support RTT / IEEE 802.11mc - please verify that "
+                        + "your test setup includes them!",
+                testAp != null);
 
         // Perform RTT operations
         RangingRequest request = new RangingRequest.Builder().addAccessPoint(testAp).build();