Delete AirplaneModeTest

It is flaky and redundant, functionality is covered in
ConnectivityManagerTest

Bug: 191856806
Test: N/A
Change-Id: I786f69f6f6cfb73e99cc5dea867024007f44d134

tests/cts/net/src/android/net/cts/AirplaneModeTest.java

@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.net.cts;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.platform.test.annotations.AppModeFull;
-import android.provider.Settings;
-import android.test.AndroidTestCase;
-import android.util.Log;
-
-import java.lang.Thread;
-
-@AppModeFull(reason = "WRITE_SECURE_SETTINGS permission can't be granted to instant apps")
-public class AirplaneModeTest extends AndroidTestCase {
-    private static final String TAG = "AirplaneModeTest";
-    private static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
-    private static final String FEATURE_WIFI = "android.hardware.wifi";
-    private static final int TIMEOUT_MS = 10 * 1000;
-    private boolean mHasFeature;
-    private Context mContext;
-    private ContentResolver resolver;
-
-    public void setup() {
-        mContext= getContext();
-        resolver = mContext.getContentResolver();
-        mHasFeature = (mContext.getPackageManager().hasSystemFeature(FEATURE_BLUETOOTH)
-                       || mContext.getPackageManager().hasSystemFeature(FEATURE_WIFI));
-    }
-
-    public void testAirplaneMode() {
-        setup();
-        if (!mHasFeature) {
-            Log.i(TAG, "The device doesn't support network bluetooth or wifi feature");
-            return;
-        }
-
-        for (int testCount = 0; testCount < 2; testCount++) {
-            if (!doOneTest()) {
-                fail("Airplane mode failed to change in " + TIMEOUT_MS + "msec");
-                return;
-            }
-        }
-    }
-
-    private boolean doOneTest() {
-        boolean airplaneModeOn = isAirplaneModeOn();
-        setAirplaneModeOn(!airplaneModeOn);
-
-        try {
-            Thread.sleep(TIMEOUT_MS);
-        } catch (InterruptedException e) {
-            Log.e(TAG, "Sleep time interrupted.", e);
-        }
-
-        if (airplaneModeOn == isAirplaneModeOn()) {
-            return false;
-        }
-        return true;
-    }
-
-    private void setAirplaneModeOn(boolean enabling) {
-        // Change the system setting for airplane mode
-        Settings.Global.putInt(resolver, Settings.Global.AIRPLANE_MODE_ON, enabling ? 1 : 0);
-    }
-
-    private boolean isAirplaneModeOn() {
-        // Read the system setting for airplane mode
-        return Settings.Global.getInt(mContext.getContentResolver(),
-                                      Settings.Global.AIRPLANE_MODE_ON, 0) != 0;
-    }
-}