Moves ash content specific tests into ash_content_unittests

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index 52ba4d856ce6d33be44051127c247f781e3601a1..f9858e7900e8a5dc80629a015e2156a8c94bc94f 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -10459,6 +10459,15 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "ash_content_unittests"
+      },
+      {
+        "args": [
+          "--top-chrome-md=material-hybrid"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "ash_unittests"
       },
       {
@@ -10526,6 +10535,15 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "ash_content_unittests"
+      },
+      {
+        "args": [
+          "--top-chrome-md=non-material"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "ash_unittests"
       },
       {