Unignore and fix some tests

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelExtractorTest.java

@@ -1,7 +1,6 @@
 package org.schabi.newpipe.extractor.services.youtube;
 
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.schabi.newpipe.downloader.DownloaderFactory;
 import org.schabi.newpipe.downloader.DownloaderTestImpl;
@@ -15,6 +14,8 @@
 
 import java.io.IOException;
 
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -127,10 +128,9 @@ public void testMoreRelatedItems() throws Exception {
          // ChannelExtractor
          //////////////////////////////////////////////////////////////////////////*/
 
-        @Ignore("TODO fix, character ü makes problems")
         @Test
         public void testDescription() throws Exception {
-            assertTrue(extractor.getDescription().contains("Zart im Schmelz und süffig im Abgang. Ungebremster Spieltrieb"));
+            assertThat(extractor.getDescription(), containsString("Ungebremster Spieltrieb seit 1896."));
         }
 
         @Test

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeCommentsExtractorTest.java

@@ -1,7 +1,6 @@
 package org.schabi.newpipe.extractor.services.youtube;
 
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.schabi.newpipe.downloader.DownloaderFactory;
 import org.schabi.newpipe.extractor.ListExtractor.InfoItemsPage;
@@ -132,7 +131,6 @@ public static void setUp() throws Exception {
         }
 
         @Test
-        @Ignore("TODO fix")
         public void testGetCommentsAllData() throws IOException, ExtractionException {
             final InfoItemsPage<CommentsInfoItem> comments = extractor.getInitialPage();
 

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/search/YoutubeSearchQHTest.java

@@ -1,18 +1,19 @@
 package org.schabi.newpipe.extractor.services.youtube.search;
 
-import org.junit.Ignore;
 import org.junit.Test;
 
 import static java.util.Arrays.asList;
 import static org.junit.Assert.assertEquals;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
-import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.*;
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.CHANNELS;
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.MUSIC_SONGS;
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.PLAYLISTS;
+import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.VIDEOS;
 import static org.schabi.newpipe.extractor.utils.Utils.EMPTY_STRING;
 
 public class YoutubeSearchQHTest {
 
     @Test
-    @Ignore("TODO fix")
     public void testRegularValues() throws Exception {
         assertEquals("https://www.youtube.com/results?search_query=asdf", YouTube.getSearchQHFactory().fromQuery("asdf").getUrl());
         assertEquals("https://www.youtube.com/results?search_query=hans", YouTube.getSearchQHFactory().fromQuery("hans").getUrl());