diff --git a/infra/specs/client.webrtc.json b/infra/specs/client.webrtc.json
index bd5d5564a7..7ca310eb87 100644
--- a/infra/specs/client.webrtc.json
+++ b/infra/specs/client.webrtc.json
@@ -2499,6 +2499,34 @@
           ]
         },
         "test_id_prefix": "ninja://:voip_unittests/"
+      },
+      {
+        "args": [
+          "--test-launcher-summary-output=${ISOLATED_OUTDIR}/gtest_output.json",
+          "--test-arg=--gtest_output=json:/custom_artifacts/gtest_output.json",
+          "--test-arg=--undefok=test_launcher_summary_output",
+          "--gtest_output=json:${ISOLATED_OUTDIR}/gtest_output.json"
+        ],
+        "isolate_name": "webrtc_nonparallel_tests",
+        "merge": {
+          "args": [],
+          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
+        },
+        "name": "webrtc_nonparallel_tests",
+        "resultdb": {
+          "result_file": "${ISOLATED_OUTDIR}/gtest_output.json",
+          "result_format": "gtest_json"
+        },
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "cpu": "x86-64",
+              "os": "Ubuntu-18.04"
+            }
+          ]
+        },
+        "test_id_prefix": "ninja://:webrtc_nonparallel_tests/"
       }
     ]
   },
diff --git a/infra/specs/test_suites.pyl b/infra/specs/test_suites.pyl
index 2ec8902c5a..441da592c6 100644
--- a/infra/specs/test_suites.pyl
+++ b/infra/specs/test_suites.pyl
@@ -148,6 +148,7 @@
         'mixins': ['shards-4'],
       },
       'voip_unittests': {},
+      'webrtc_nonparallel_tests': {},
       # TODO(bugs.fuchsia.dev/115601): Enable when cpu time API's are implemented in Fuchsia
       # 'test_support_unittests': {},
       # TODO(bugs.webrtc.org/14707): chromium.test component needs to allow creating listening ports.
diff --git a/infra/specs/tryserver.webrtc.json b/infra/specs/tryserver.webrtc.json
index 56c8e3f08e..b682dfabf4 100644
--- a/infra/specs/tryserver.webrtc.json
+++ b/infra/specs/tryserver.webrtc.json
@@ -2609,6 +2609,34 @@
           ]
         },
         "test_id_prefix": "ninja://:voip_unittests/"
+      },
+      {
+        "args": [
+          "--test-launcher-summary-output=${ISOLATED_OUTDIR}/gtest_output.json",
+          "--test-arg=--gtest_output=json:/custom_artifacts/gtest_output.json",
+          "--test-arg=--undefok=test_launcher_summary_output",
+          "--gtest_output=json:${ISOLATED_OUTDIR}/gtest_output.json"
+        ],
+        "isolate_name": "webrtc_nonparallel_tests",
+        "merge": {
+          "args": [],
+          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
+        },
+        "name": "webrtc_nonparallel_tests",
+        "resultdb": {
+          "result_file": "${ISOLATED_OUTDIR}/gtest_output.json",
+          "result_format": "gtest_json"
+        },
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "cpu": "x86-64",
+              "os": "Ubuntu-18.04"
+            }
+          ]
+        },
+        "test_id_prefix": "ninja://:webrtc_nonparallel_tests/"
       }
     ]
   },