diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelLocalizationTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelLocalizationTest.java
index 6e4b80cb3..d4b058c84 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelLocalizationTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelLocalizationTest.java
@@ -14,6 +14,7 @@ import java.time.temporal.ChronoUnit;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Random;
 
 import static org.junit.Assert.fail;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
@@ -30,6 +31,7 @@ public class YoutubeChannelLocalizationTest {
     @Test
     public void testAllSupportedLocalizations() throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "localization"));
 
         testLocalizationsFor("https://www.youtube.com/user/NBCNews");
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelperTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelperTest.java
index 39af59e14..144d779d6 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelperTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelperTest.java
@@ -8,6 +8,7 @@ import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
 
 import java.io.IOException;
+import java.util.Random;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -19,6 +20,7 @@ public class YoutubeParsingHelperTest {
     @BeforeClass
     public static void setUp() throws IOException {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "youtubeParsingHelper"));
     }
 
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSuggestionExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSuggestionExtractorTest.java
index f4818b2f9..1f9b0c371 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSuggestionExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSuggestionExtractorTest.java
@@ -29,6 +29,7 @@ import org.schabi.newpipe.extractor.localization.Localization;
 import org.schabi.newpipe.extractor.suggestion.SuggestionExtractor;
 
 import java.io.IOException;
+import java.util.Random;
 
 import static org.junit.Assert.assertFalse;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
@@ -45,6 +46,7 @@ public class YoutubeSuggestionExtractorTest {
     @BeforeClass
     public static void setUp() throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + ""), new Localization("de", "DE"));
         suggestionExtractor = YouTube.getSuggestionExtractor();
     }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeTrendingKioskInfoTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeTrendingKioskInfoTest.java
index f4fd2d239..9469cd1ac 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeTrendingKioskInfoTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeTrendingKioskInfoTest.java
@@ -28,6 +28,8 @@ import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.kiosk.KioskInfo;
 import org.schabi.newpipe.extractor.linkhandler.LinkHandlerFactory;
 
+import java.util.Random;
+
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
@@ -45,6 +47,7 @@ public class YoutubeTrendingKioskInfoTest {
     public static void setUp()
             throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH));
         LinkHandlerFactory LinkHandlerFactory = ((StreamingService) YouTube).getKioskList().getListLinkHandlerFactoryByType("Trending");
 
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorAgeRestrictedTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorAgeRestrictedTest.java
index 63fa34119..6d74e4fad 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorAgeRestrictedTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorAgeRestrictedTest.java
@@ -11,6 +11,7 @@ import org.schabi.newpipe.extractor.stream.StreamType;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Random;
 
 import javax.annotation.Nullable;
 
@@ -26,7 +27,8 @@ public class YoutubeStreamExtractorAgeRestrictedTest extends DefaultStreamExtrac
     @BeforeClass
     public static void setUp() throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
-            NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "ageRestricted"));
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
+        NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "ageRestricted"));
         extractor = YouTube.getStreamExtractor(URL);
         extractor.fetchPage();
     }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorLivestreamTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorLivestreamTest.java
index 01de79496..936a69931 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorLivestreamTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorLivestreamTest.java
@@ -11,6 +11,7 @@ import org.schabi.newpipe.extractor.stream.StreamType;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Random;
 
 import javax.annotation.Nullable;
 
@@ -26,6 +27,7 @@ public class YoutubeStreamExtractorLivestreamTest extends DefaultStreamExtractor
     @BeforeClass
     public static void setUp() throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "live"));
         extractor = YouTube.getStreamExtractor(URL);
         extractor.fetchPage();
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorUnlistedTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorUnlistedTest.java
index 83bd8ae7f..267de4f4f 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorUnlistedTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorUnlistedTest.java
@@ -11,6 +11,7 @@ import org.schabi.newpipe.extractor.stream.StreamType;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Random;
 
 import javax.annotation.Nullable;
 
@@ -25,6 +26,7 @@ public class YoutubeStreamExtractorUnlistedTest extends DefaultStreamExtractorTe
     @BeforeClass
     public static void setUp() throws Exception {
         YoutubeParsingHelper.resetClientVersionAndKey();
+        YoutubeParsingHelper.setNumberGenerator(new Random(1));
         NewPipe.init(new DownloaderFactory().getDownloader(RESOURCE_PATH + "unlisted"));
         extractor = YouTube.getStreamExtractor(URL);
         extractor.fetchPage();