diff --git a/dom/media/mediasource/test/mochitest.ini b/dom/media/mediasource/test/mochitest.ini
index 8a15e1cfc5f..92a0b9ddb0f 100644
--- a/dom/media/mediasource/test/mochitest.ini
+++ b/dom/media/mediasource/test/mochitest.ini
@@ -1,5 +1,6 @@
 [DEFAULT]
 skip-if = buildapp == 'b2g' # b2g( ReferenceError: MediaSource is not defined)
+subsuite = media
 support-files =
   mediasource.js
   seek.webm seek.webm^headers^
diff --git a/dom/media/test/mochitest.ini b/dom/media/test/mochitest.ini
index dc4ba53e0c0..9f8daf64191 100644
--- a/dom/media/test/mochitest.ini
+++ b/dom/media/test/mochitest.ini
@@ -23,6 +23,7 @@
 
 [DEFAULT]
 skip-if = buildapp == 'mulet' || (os == 'win' && strictContentSandbox) || android_version == '18' # strictContentSandbox (Bug 1042735)
+subsuite = media
 support-files =
   16bit_wave_extrametadata.wav
   16bit_wave_extrametadata.wav^headers^
diff --git a/dom/media/tests/mochitest/identity/mochitest.ini b/dom/media/tests/mochitest/identity/mochitest.ini
index cf3cb04b7f6..ad85bf396da 100644
--- a/dom/media/tests/mochitest/identity/mochitest.ini
+++ b/dom/media/tests/mochitest/identity/mochitest.ini
@@ -3,6 +3,7 @@
 # won't run on b2g desktop tests - bug 1119993
 # broken HTTPS on b2g emulator - bug 1135339
 skip-if = (os == 'win' && strictContentSandbox) || android_version == '10' || android_version == '18' || (buildapp == 'b2g' && toolkit != 'gonk') || (buildapp == 'b2g' && toolkit == 'gonk') || buildapp == 'mulet'
+subsuite = media
 support-files =
   /.well-known/idp-proxy/idp.js
   identityPcTest.js
diff --git a/dom/media/tests/mochitest/ipc/mochitest.ini b/dom/media/tests/mochitest/ipc/mochitest.ini
index ffd1640004c..a15b383e5f4 100644
--- a/dom/media/tests/mochitest/ipc/mochitest.ini
+++ b/dom/media/tests/mochitest/ipc/mochitest.ini
@@ -1,5 +1,6 @@
 [DEFAULT]
 tags=msg
+subsuite=media
 support-files =
   ipc.json
 
diff --git a/dom/media/tests/mochitest/mochitest.ini b/dom/media/tests/mochitest/mochitest.ini
index ada362b2453..dfc8975eb20 100644
--- a/dom/media/tests/mochitest/mochitest.ini
+++ b/dom/media/tests/mochitest/mochitest.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 # strictContentSandbox - bug 1042735, Android 2.3 - bug 981881
 tags = msg webrtc
+subsuite = media
 skip-if = (os == 'win' && strictContentSandbox) || android_version == '10' || (buildapp == 'mulet') || (toolkit == 'gonk' && debug) # b2g(Either bug 1171118 or bug 1169838, take your pick)
 support-files =
   head.js
diff --git a/dom/media/webaudio/test/mochitest.ini b/dom/media/webaudio/test/mochitest.ini
index f16a4a59907..133dc2f6f09 100644
--- a/dom/media/webaudio/test/mochitest.ini
+++ b/dom/media/webaudio/test/mochitest.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 tags=msg
 tags = webaudio
+subsuite = media
 skip-if = ((buildapp == 'b2g') && (toolkit != 'gonk' || debug)) || (os == 'win' && strictContentSandbox) #b2g-debug,b2g-desktop(bug 916135); strictContentSandbox(Bug 1042735)
 support-files =
   audio-expected.wav
diff --git a/dom/media/webspeech/recognition/test/mochitest.ini b/dom/media/webspeech/recognition/test/mochitest.ini
index 1fb958f73a7..664694d2cc2 100644
--- a/dom/media/webspeech/recognition/test/mochitest.ini
+++ b/dom/media/webspeech/recognition/test/mochitest.ini
@@ -1,6 +1,7 @@
 [DEFAULT]
 tags=msg
 skip-if = buildapp == 'b2g' || (e10s && debug && os == 'win') # Bug 1191270, bug 1037287, bug 967606, bug 1096400, bug 1238542 etc
+subsuite = media
 support-files =
   head.js
   hello.ogg
diff --git a/dom/media/webspeech/synth/test/mochitest.ini b/dom/media/webspeech/synth/test/mochitest.ini
index 5a2d4807294..c1a49913488 100644
--- a/dom/media/webspeech/synth/test/mochitest.ini
+++ b/dom/media/webspeech/synth/test/mochitest.ini
@@ -1,5 +1,6 @@
 [DEFAULT]
 tags=msg
+subsuite = media
 support-files =
   common.js
   file_bfcache_frame.html
diff --git a/testing/mozharness/configs/android/androidarm.py b/testing/mozharness/configs/android/androidarm.py
index a1d9b18b7da..303b5d6607e 100644
--- a/testing/mozharness/configs/android/androidarm.py
+++ b/testing/mozharness/configs/android/androidarm.py
@@ -100,6 +100,29 @@ config = {
                 "--subsuite=webgl",
             ],
         },
+        "mochitest-media": {
+            "run_filename": "runtestsremote.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--dm_trans=sut",
+                "--app=%(app)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--deviceIP=%(device_ip)s",
+                "--devicePort=%(device_port)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--certificate-path=%(certs_path)s",
+                "--symbols-path=%(symbols_path)s",
+                "--quiet",
+                "--log-raw=%(raw_log_file)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--screenshot-on-fail",
+                "--total-chunks=2",
+                "--subsuite=media",
+            ],
+        },
         "robocop": {
             "run_filename": "runrobocop.py",
             "testsdir": "mochitest",
@@ -305,6 +328,14 @@ config = {
             "category": "mochitest",
             "extra_args": ["--chrome"],
         },
+        "mochitest-media-1": {
+            "category": "mochitest-media",
+            "extra_args": ["--this-chunk=1"],
+        },
+        "mochitest-media-2": {
+            "category": "mochitest-media",
+            "extra_args": ["--this-chunk=2"],
+        },
         "mochitest-gl-1": {
             "category": "mochitest-gl",
             "extra_args": ["--this-chunk=1"],
diff --git a/testing/mozharness/configs/android/androidarm_4_3.py b/testing/mozharness/configs/android/androidarm_4_3.py
index 9ba8d7e6c09..d0c80e69055 100644
--- a/testing/mozharness/configs/android/androidarm_4_3.py
+++ b/testing/mozharness/configs/android/androidarm_4_3.py
@@ -102,6 +102,27 @@ config = {
                 "--subsuite=webgl",
             ],
         },
+        "mochitest-media": {
+            "run_filename": "runtestsremote.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--dm_trans=adb",
+                "--app=%(app)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--certificate-path=%(certs_path)s",
+                "--symbols-path=%(symbols_path)s",
+                "--quiet",
+                "--log-raw=%(raw_log_file)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--screenshot-on-fail",
+                "--total-chunks=2",
+                "--subsuite=media",
+            ],
+        },
         "robocop": {
             "run_filename": "runrobocop.py",
             "testsdir": "mochitest",
@@ -445,6 +466,14 @@ config = {
             "category": "mochitest",
             "extra_args": ["--chrome"],
         },
+        "mochitest-media-1": {
+            "category": "mochitest-media",
+            "extra_args": ["--this-chunk=1"],
+        },
+        "mochitest-media-2": {
+            "category": "mochitest-media",
+            "extra_args": ["--this-chunk=2"],
+        },
         "mochitest-gl-1": {
             "category": "mochitest-gl",
             "extra_args": ["--this-chunk=1"],
diff --git a/testing/mozharness/configs/unittests/linux_unittest.py b/testing/mozharness/configs/unittests/linux_unittest.py
index 457a6446009..eb1ecce9feb 100644
--- a/testing/mozharness/configs/unittests/linux_unittest.py
+++ b/testing/mozharness/configs/unittests/linux_unittest.py
@@ -210,6 +210,7 @@ config = {
          "plain": [],
         "plain-chunked": ["--chunk-by-dir=4"],
         "mochitest-push": ["--subsuite=push"],
+        "mochitest-media": ["--subsuite=media"],
         "chrome": ["--chrome"],
         "chrome-chunked": ["--chrome", "--chunk-by-dir=4"],
         "browser-chrome": ["--browser-chrome"],
diff --git a/testing/mozharness/configs/unittests/mac_unittest.py b/testing/mozharness/configs/unittests/mac_unittest.py
index 44b25911281..ffbc7ace2ed 100644
--- a/testing/mozharness/configs/unittests/mac_unittest.py
+++ b/testing/mozharness/configs/unittests/mac_unittest.py
@@ -159,6 +159,7 @@ config = {
         "plain": [],
         "plain-chunked": ["--chunk-by-dir=4"],
         "mochitest-push": ["--subsuite=push"],
+        "mochitest-media": ["--subsuite=media"],
         "chrome": ["--chrome"],
         "chrome-chunked": ["--chrome", "--chunk-by-dir=4"],
         "browser-chrome": ["--browser-chrome"],
diff --git a/testing/mozharness/configs/unittests/win_unittest.py b/testing/mozharness/configs/unittests/win_unittest.py
index 4827b7b7e6c..793968b815e 100644
--- a/testing/mozharness/configs/unittests/win_unittest.py
+++ b/testing/mozharness/configs/unittests/win_unittest.py
@@ -170,6 +170,7 @@ config = {
         "plain": [],
         "plain-chunked": ["--chunk-by-dir=4"],
         "mochitest-push": ["--subsuite=push"],
+        "mochitest-media": ["--subsuite=media"],
         "chrome": ["--chrome"],
         "chrome-chunked": ["--chrome", "--chunk-by-dir=4"],
         "browser-chrome": ["--browser-chrome"],
diff --git a/testing/taskcluster/tasks/branches/base_job_flags.yml b/testing/taskcluster/tasks/branches/base_job_flags.yml
index b172025b1c7..76bb41155b4 100644
--- a/testing/taskcluster/tasks/branches/base_job_flags.yml
+++ b/testing/taskcluster/tasks/branches/base_job_flags.yml
@@ -56,6 +56,8 @@ flags:
     mochitest-dt-e10s: /mochitest-devtools-chrome-e10s.*/
     mochitest-gl: /mochitest-webgl.*/
     mochitest-push: /mochitest-push.*/
+    mochitest-media: /mochitest-media.*/
+    mochitest-media-e10s: /mochitest-media-e10s.*/
     mochitest-vg: /mochitest-valgrind.*/
     reftest: /(plain-)?reftest.*/
     reftest-no-accel: /(plain-)?reftest-no-accel.*/
@@ -141,6 +143,7 @@ flags:
     - mochitest-e10s
     - mochitest-jetpack
     - mochitest-media
+    - mochitest-media-e10s
     - mochitest-oop
     - mochitest-push
     - mochitest-webgl
diff --git a/testing/taskcluster/tasks/branches/base_jobs.yml b/testing/taskcluster/tasks/branches/base_jobs.yml
index f7253fc4721..a0da0065f22 100644
--- a/testing/taskcluster/tasks/branches/base_jobs.yml
+++ b/testing/taskcluster/tasks/branches/base_jobs.yml
@@ -290,6 +290,14 @@ tests:
     allowed_build_tasks:
       tasks/builds/dbg_linux64.yml:
         task: tasks/tests/fx_linux64_mochitest_push.yml
+  mochitest-media:
+    allowed_build_tasks:
+      tasks/builds/dbg_linux64.yml:
+        task: tasks/tests/fx_linux64_mochitest_media.yml
+  mochitest-media-e10s:
+    allowed_build_tasks:
+      tasks/builds/dbg_linux64.yml:
+        task: tasks/tests/fx_linux64_mochitest_media_e10s.yml
   mochitest-webgl:
     allowed_build_tasks:
       tasks/builds/dbg_linux64.yml:
diff --git a/testing/taskcluster/tasks/branches/try/job_flags.yml b/testing/taskcluster/tasks/branches/try/job_flags.yml
index 14427b11cc7..337558f5850 100644
--- a/testing/taskcluster/tasks/branches/try/job_flags.yml
+++ b/testing/taskcluster/tasks/branches/try/job_flags.yml
@@ -232,6 +232,14 @@ tests:
     allowed_build_tasks:
       tasks/builds/dbg_linux64_clobber.yml:
         task: tasks/tests/fx_linux64_mochitest_push.yml
+  mochitest-media:
+    allowed_build_tasks:
+      tasks/builds/dbg_linux64_clobber.yml:
+        task: tasks/tests/fx_linux64_mochitest_media.yml
+  mochitest-media-e10s:
+    allowed_build_tasks:
+      tasks/builds/dbg_linux64_clobber.yml:
+        task: tasks/tests/fx_linux64_mochitest_media_e10s.yml
   mochitest-webgl:
     allowed_build_tasks:
       tasks/builds/dbg_linux64_clobber.yml:
diff --git a/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media.yml b/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media.yml
new file mode 100644
index 00000000000..86d5d9f3a75
--- /dev/null
+++ b/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media.yml
@@ -0,0 +1,22 @@
+$inherits:
+  from: 'tasks/tests/fx_desktop_unittest.yml'
+task:
+  scopes:
+    - 'docker-worker:capability:device:loopbackVideo'
+    - 'docker-worker:capability:device:loopbackAudio'
+  metadata:
+    name: '[TC] Linux64 mochitest-media'
+    description: Mochitest media run
+  payload:
+    capabilities:
+      devices:
+        loopbackVideo: true
+        loopbackAudio: true
+  extra:
+    suite:
+      name: mochitest
+      flavor: mochitest-media
+    treeherder:
+      groupName: Desktop mochitests
+      groupSymbol: tc-M
+      symbol: mda
diff --git a/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media_e10s.yml b/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media_e10s.yml
new file mode 100644
index 00000000000..87516593e94
--- /dev/null
+++ b/testing/taskcluster/tasks/tests/fx_linux64_mochitest_media_e10s.yml
@@ -0,0 +1,22 @@
+$inherits:
+  from: 'tasks/tests/fx_desktop_unittest.yml'
+task:
+  scopes:
+    - 'docker-worker:capability:device:loopbackVideo'
+    - 'docker-worker:capability:device:loopbackAudio'
+  metadata:
+    name: '[TC] Linux64 mochitest-media-e10s'
+    description: Mochitest media e10s run
+  payload:
+    capabilities:
+      devices:
+        loopbackVideo: true
+        loopbackAudio: true
+  extra:
+    suite:
+      name: mochitest
+      flavor: mochitest-media-e10s
+    treeherder:
+      groupName: Desktop mochitests
+      groupSymbol: tc-M-e10s
+      symbol: mda