fix exception on found ads

Author: theScrabi

src/main/java/org/schabi/newpipe/extractor/InfoItemCollector.java

@@ -1,5 +1,6 @@
 package org.schabi.newpipe.extractor;
 
+import org.schabi.newpipe.extractor.exceptions.FoundAdException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 
 import java.util.ArrayList;
@@ -84,6 +85,8 @@ public int getServiceId() {
     public void commit(E extractor) {
         try {
             addItem(extract(extractor));
+        } catch (FoundAdException ae) {
+            // found an ad. Maybe a debug line could be placed here
         } catch (ParsingException e) {
             addError(e);
         }

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

@@ -47,7 +47,7 @@ public static void setUp() throws Exception {
 
         // Youtube will suggest "results" instead of "rsults",
         // keep in mind that the suggestions can change by country (the parameter "de")
-        result = engine.search("rsults", 0, "de", SearchEngine.Filter.STREAM)
+        result = engine.search("abc", 0, "de", SearchEngine.Filter.STREAM)
                 .getSearchResult();
     }