[YouTube] Fix bug when url isn't present in the browseEndpoint object

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

@@ -99,7 +99,7 @@ public class YoutubePlaylistExtractorTest {
 
         @Test
         public void testUploaderUrl() throws Exception {
-            assertEquals("https://www.youtube.com/user/andre0y0you", extractor.getUploaderUrl());
+            assertEquals("https://www.youtube.com/channel/UCs72iRpTEuwV3y6pdWYLgiw", extractor.getUploaderUrl());
         }
 
         @Test

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

@@ -124,7 +124,7 @@ public class YoutubeSearchExtractorDefaultTest extends YoutubeSearchExtractorBas
     }
 
     @Test
-    public void testSuggestionNotNull() {
+    public void testSuggestionNotNull() throws Exception {
         //todo write a real test
         assertNotNull(extractor.getSearchSuggestion());
     }