diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseChannelExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseChannelExtractorTest.java
index cb81dd137..c776ee514 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseChannelExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseChannelExtractorTest.java
@@ -1,11 +1,22 @@
 package org.schabi.newpipe.extractor.services;
 
-@SuppressWarnings("unused")
-public interface BaseChannelExtractorTest extends BaseListExtractorTest {
+import org.junit.jupiter.api.Test;
+
+public interface BaseChannelExtractorTest extends BaseExtractorTest {
+    @Test
     void testDescription() throws Exception;
+    @Test
     void testAvatarUrl() throws Exception;
+    @Test
     void testBannerUrl() throws Exception;
+    @Test
     void testFeedUrl() throws Exception;
+    @Test
     void testSubscriberCount() throws Exception;
+    @Test
     void testVerified() throws Exception;
+    @Test
+    void testTabs() throws Exception;
+    @Test
+    void testTags() throws Exception;
 }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseExtractorTest.java
index 4ff51295b..071684ab5 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseExtractorTest.java
@@ -1,10 +1,16 @@
 package org.schabi.newpipe.extractor.services;
 
-@SuppressWarnings("unused")
+import org.junit.jupiter.api.Test;
+
 public interface BaseExtractorTest {
+    @Test
     void testServiceId() throws Exception;
+    @Test
     void testName() throws Exception;
+    @Test
     void testId() throws Exception;
+    @Test
     void testUrl() throws Exception;
+    @Test
     void testOriginalUrl() throws Exception;
 }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseListExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseListExtractorTest.java
index fd119ac20..087e2e6ad 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseListExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseListExtractorTest.java
@@ -1,7 +1,10 @@
 package org.schabi.newpipe.extractor.services;
 
-@SuppressWarnings("unused")
+import org.junit.jupiter.api.Test;
+
 public interface BaseListExtractorTest extends BaseExtractorTest {
+    @Test
     void testRelatedItems() throws Exception;
+    @Test
     void testMoreRelatedItems() throws Exception;
 }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BasePlaylistExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BasePlaylistExtractorTest.java
index cb092df4f..241bbbee5 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BasePlaylistExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BasePlaylistExtractorTest.java
@@ -1,11 +1,18 @@
 package org.schabi.newpipe.extractor.services;
 
-@SuppressWarnings("unused")
+import org.junit.jupiter.api.Test;
+
 public interface BasePlaylistExtractorTest extends BaseListExtractorTest {
+    @Test
     void testThumbnailUrl() throws Exception;
+    @Test
     void testBannerUrl() throws Exception;
+    @Test
     void testUploaderName() throws Exception;
+    @Test
     void testUploaderAvatarUrl() throws Exception;
+    @Test
     void testStreamCount() throws Exception;
+    @Test
     void testUploaderVerified() throws Exception;
 }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseSearchExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseSearchExtractorTest.java
index ddfa27fb0..5c6c36ea2 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseSearchExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseSearchExtractorTest.java
@@ -1,8 +1,12 @@
 package org.schabi.newpipe.extractor.services;
 
-@SuppressWarnings("unused")
+import org.junit.jupiter.api.Test;
+
 public interface BaseSearchExtractorTest extends BaseListExtractorTest {
+    @Test
     void testSearchString() throws Exception;
+    @Test
     void testSearchSuggestion() throws Exception;
+    @Test
     void testSearchCorrected() throws Exception;
 }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseStreamExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseStreamExtractorTest.java
index da418660a..a224a347d 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseStreamExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/BaseStreamExtractorTest.java
@@ -1,36 +1,70 @@
 package org.schabi.newpipe.extractor.services;
 
+import org.junit.jupiter.api.Test;
+
 public interface BaseStreamExtractorTest extends BaseExtractorTest {
+    @Test
     void testStreamType() throws Exception;
+    @Test
     void testUploaderName() throws Exception;
+    @Test
     void testUploaderUrl() throws Exception;
+    @Test
     void testUploaderAvatarUrl() throws Exception;
+    @Test
     void testSubscriberCount() throws Exception;
+    @Test
     void testSubChannelName() throws Exception;
+    @Test
     void testSubChannelUrl() throws Exception;
+    @Test
     void testSubChannelAvatarUrl() throws Exception;
+    @Test
     void testThumbnailUrl() throws Exception;
+    @Test
     void testDescription() throws Exception;
+    @Test
     void testLength() throws Exception;
+    @Test
     void testTimestamp() throws Exception;
+    @Test
     void testViewCount() throws Exception;
+    @Test
     void testUploadDate() throws Exception;
+    @Test
     void testTextualUploadDate() throws Exception;
+    @Test
     void testLikeCount() throws Exception;
+    @Test
     void testDislikeCount() throws Exception;
+    @Test
     void testRelatedItems() throws Exception;
+    @Test
     void testAgeLimit() throws Exception;
+    @Test
     void testErrorMessage() throws Exception;
+    @Test
     void testAudioStreams() throws Exception;
+    @Test
     void testVideoStreams() throws Exception;
+    @Test
     void testSubtitles() throws Exception;
+    @Test
     void testGetDashMpdUrl() throws Exception;
+    @Test
     void testFrames() throws Exception;
+    @Test
     void testHost() throws Exception;
+    @Test
     void testPrivacy() throws Exception;
+    @Test
     void testCategory() throws Exception;
+    @Test
     void testLicence() throws Exception;
+    @Test
     void testLanguageInfo() throws Exception;
+    @Test
     void testTags() throws Exception;
+    @Test
     void testSupportInfo() throws Exception;
 }