diff --git a/lighthouse-core/lib/i18n/locales/en-XL.json b/lighthouse-core/lib/i18n/locales/en-XL.json
index d4ccecd4d5bb..7759bc4cae61 100644
--- a/lighthouse-core/lib/i18n/locales/en-XL.json
+++ b/lighthouse-core/lib/i18n/locales/en-XL.json
@@ -1253,9 +1253,15 @@
   "lighthouse-core/lib/lh-error.js | dnsFailure": {
     "message": "D̂ŃŜ śêŕv̂ér̂ś ĉóûĺd̂ ńôt́ r̂éŝól̂v́ê t́ĥé p̂ŕôv́îd́êd́ d̂óm̂áîń."
   },
+  "lighthouse-core/lib/lh-error.js | erroredRequiredArtifact": {
+    "message": "R̂éq̂úîŕêd́ {artifactName} ĝát̂h́êŕêŕ êńĉóûńt̂ér̂éd̂ án̂ ér̂ŕôŕ: {errorMessage}"
+  },
   "lighthouse-core/lib/lh-error.js | internalChromeError": {
     "message": "Âń îńt̂ér̂ńâĺ Ĉh́r̂óm̂é êŕr̂ór̂ óĉćûŕr̂éd̂. Ṕl̂éâśê ŕêśt̂ár̂t́ Ĉh́r̂óm̂é âńd̂ t́r̂ý r̂é-r̂ún̂ńîńĝ Ĺîǵĥt́ĥóûśê."
   },
+  "lighthouse-core/lib/lh-error.js | missingRequiredArtifact": {
+    "message": "R̂éq̂úîŕêd́ {artifactName} ĝát̂h́êŕêŕ d̂íd̂ ńôt́ r̂ún̂."
+  },
   "lighthouse-core/lib/lh-error.js | pageLoadFailed": {
     "message": "L̂íĝh́t̂h́ôúŝé ŵáŝ ún̂áb̂ĺê t́ô ŕêĺîáb̂ĺŷ ĺôád̂ t́ĥé p̂áĝé ŷóû ŕêq́ûéŝt́êd́. M̂ák̂é ŝúr̂é ŷóû ár̂é t̂éŝt́îńĝ t́ĥé ĉór̂ŕêćt̂ ÚR̂Ĺ âńd̂ t́ĥát̂ t́ĥé ŝér̂v́êŕ îś p̂ŕôṕêŕl̂ý r̂éŝṕôńd̂ín̂ǵ t̂ó âĺl̂ ŕêq́ûéŝt́ŝ."
   },
diff --git a/lighthouse-core/test/results/sample_v2.json b/lighthouse-core/test/results/sample_v2.json
index fdb70f610c3e..1ec3c304731d 100644
--- a/lighthouse-core/test/results/sample_v2.json
+++ b/lighthouse-core/test/results/sample_v2.json
@@ -6336,4 +6336,4 @@
       }
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/proto/sample_v2_round_trip.json b/proto/sample_v2_round_trip.json
index 7a1d269528c5..8e2f7b1af859 100644
--- a/proto/sample_v2_round_trip.json
+++ b/proto/sample_v2_round_trip.json
@@ -4991,4 +4991,4 @@
         "total": 12345.6789
     },
     "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3358.0 Safari/537.36"
-}
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 5350a9a34b11..6d1d187a8cd4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4280,6 +4280,11 @@ is-windows@^1.0.2:
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
   integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
 
+is-wsl@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
+  integrity sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0=
+
 is-wsl@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-2.1.0.tgz#94369bbeb2249ef07b831b1b08590e686330ccbb"