added GPL header

Signed-off-by: ardevd <edvard.holst@gmail.com>

src/test/java/com/owncloud/android/utils/ConnectivityUtilsTest.java

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Android client application
+ *
+ * @author Edvard Holst
+ * Copyright (C) 2019 Edvard Holst
+ * Copyright (C) 2019 Nextcloud GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.owncloud.android.utils;
 
 import android.content.Context;
@@ -31,7 +51,6 @@ public class ConnectivityUtilsTest {
         when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE)).thenReturn(mConnectivityManager);
         when(mConnectivityManager.getActiveNetworkInfo()).thenReturn(mNetworkInfo);
     }
-    
 
     @Test
     public void isOnlineWithWifi_assertTrueWhenOnWifi() {