diff --git a/tools_webrtc/coverage/generate_coverage_command.py b/tools_webrtc/coverage/generate_coverage_command.py
index fa69117021..856666816d 100644
--- a/tools_webrtc/coverage/generate_coverage_command.py
+++ b/tools_webrtc/coverage/generate_coverage_command.py
@@ -22,6 +22,7 @@ TESTS = [
   'video_engine_tests',
   'tools_unittests',
   'test_support_unittests',
+  'slow_tests',
   'system_wrappers_unittests',
   'rtc_unittests',
   'rtc_stats_unittests',
diff --git a/tools_webrtc/coverage/generate_ios_coverage_command.py b/tools_webrtc/coverage/generate_ios_coverage_command.py
index cd4eb5ef20..f81ee2c62b 100644
--- a/tools_webrtc/coverage/generate_ios_coverage_command.py
+++ b/tools_webrtc/coverage/generate_ios_coverage_command.py
@@ -62,6 +62,7 @@ TESTS = [
   'rtc_pc_unittests',
   'rtc_stats_unittests',
   'rtc_unittests',
+  'slow_tests',
   'system_wrappers_unittests',
   'test_support_unittests',
   'tools_unittests',
diff --git a/tools_webrtc/mb/gn_isolate_map.pyl b/tools_webrtc/mb/gn_isolate_map.pyl
index 15efd70240..d72bbdc009 100644
--- a/tools_webrtc/mb/gn_isolate_map.pyl
+++ b/tools_webrtc/mb/gn_isolate_map.pyl
@@ -102,6 +102,10 @@
     "label": "//:rtc_unittests",
     "type": "console_test_launcher",
   },
+  "slow_tests": {
+    "label": "//:slow_tests",
+    "type": "console_test_launcher",
+  },
   "system_wrappers_unittests": {
     "label": "//system_wrappers:system_wrappers_unittests",
     "type": "console_test_launcher",