docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 46be6e89d164 · 2021-01-07T12:39:05.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -63,7 +63,8 @@
         "infra",
         "design",
         "review",
-        "bug"
+        "bug",
+        "test"
       ]
     },
     {
