Update client version and mocks

Author: AudricV

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java

@@ -66,7 +66,7 @@ private YoutubeParsingHelper() {
 
     public static final String YOUTUBEI_V1_URL = "https://www.youtube.com/youtubei/v1/";
 
-    private static final String HARDCODED_CLIENT_VERSION = "2.20210526.07.00";
+    private static final String HARDCODED_CLIENT_VERSION = "2.20210601.07.00";
     private static final String HARDCODED_KEY = "AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8";
     private static final String[] MOBILE_YOUTUBE_KEYS = {"AIzaSyA8eiZmM1FaDVjRy-df2KTyQ_vz_yYM39w",
             "16.20.35"};

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

@@ -25,7 +25,7 @@ public static void setUp() throws IOException {
     }
 
     @Test
-    public void testareHardcodedClientVersionAndKeyValid() throws IOException, ExtractionException {
+    public void testAreHardcodedClientVersionAndKeyValid() throws IOException, ExtractionException {
         assertTrue("Hardcoded client version and key are not valid anymore",
                 YoutubeParsingHelper.areHardcodedClientVersionAndKeyValid());
     }