[YouTube] Improve YoutubeSuggestionExtractorTest

- Remove useless concatenation on the downloader path;
- Remove unneeded public test modifier;
- Update license header;
- Specify the service class tested instead of the generic class.

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

@@ -1,25 +1,25 @@
-package org.schabi.newpipe.extractor.services.youtube;
-
 /*
  * Created by Christian Schabesberger on 18.11.16.
  *
  * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
- * YoutubeSuggestionExtractorTest.java is part of NewPipe.
+ * YoutubeSuggestionExtractorTest.java is part of NewPipe Extractor.
  *
- * NewPipe is free software: you can redistribute it and/or modify
+ * NewPipe Extractor 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.
  *
- * NewPipe is distributed in the hope that it will be useful,
+ * NewPipe Extractor 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 NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ * along with NewPipe Extractor.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+package org.schabi.newpipe.extractor.services.youtube;
+
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
 
@@ -29,14 +29,15 @@ import org.schabi.newpipe.downloader.DownloaderFactory;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.localization.Localization;
+import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeSuggestionExtractor;
 import org.schabi.newpipe.extractor.suggestion.SuggestionExtractor;
 
 import java.io.IOException;
 
 /**
- * Test for {@link SuggestionExtractor}
+ * Test for {@link YoutubeSuggestionExtractor}
  */
-public class YoutubeSuggestionExtractorTest {
+class YoutubeSuggestionExtractorTest {
 
     private static final String RESOURCE_PATH = DownloaderFactory.RESOURCE_PATH + "services/youtube/extractor/suggestions/";
 
@@ -45,12 +46,12 @@ public class YoutubeSuggestionExtractorTest {
     @BeforeAll
     public static void setUp() throws Exception {
         YoutubeTestsUtils.ensureStateless();
-        NewPipe.init(DownloaderFactory.getDownloader(RESOURCE_PATH + ""), new Localization("de", "DE"));
+        NewPipe.init(DownloaderFactory.getDownloader(RESOURCE_PATH), new Localization("de", "DE"));
         suggestionExtractor = YouTube.getSuggestionExtractor();
     }
 
     @Test
-    public void testIfSuggestions() throws IOException, ExtractionException {
+    void testIfSuggestions() throws IOException, ExtractionException {
         assertFalse(suggestionExtractor.suggestionList("hello").isEmpty());
     }
 }