diff --git a/.github/config/linux-clang-3-9.json b/.github/config/linux-clang-3-9.json
index 98e4f1a0398..f994506e235 100644
--- a/.github/config/linux-clang-3-9.json
+++ b/.github/config/linux-clang-3-9.json
@@ -1,7 +1,7 @@
 {
   "docker_service": "build-linux-clang-3-9",
   "on_host_test": true,
-  "on_host_test_shards": ["0", "1", "2", "3", "wpt"],
+  "on_host_test_shards": ["0", "1", "2", "3", "blackbox", "wpt"],
   "platforms": [
     "linux-x64x11-clang-3-9"
   ],
diff --git a/.github/config/linux-gcc-6-3.json b/.github/config/linux-gcc-6-3.json
index 81901124f14..4223ca8f2d8 100644
--- a/.github/config/linux-gcc-6-3.json
+++ b/.github/config/linux-gcc-6-3.json
@@ -1,7 +1,7 @@
 {
   "docker_service": "build-linux-gcc",
   "on_host_test": true,
-  "on_host_test_shards": ["0", "1", "2", "3", "wpt"],
+  "on_host_test_shards": ["0", "1", "2", "3", "blackbox", "wpt"],
   "platforms": [
     "linux-x64x11-gcc-6-3"
   ],
diff --git a/.github/config/linux-modular.json b/.github/config/linux-modular.json
index 1f25e62beb6..e250d62a586 100644
--- a/.github/config/linux-modular.json
+++ b/.github/config/linux-modular.json
@@ -6,6 +6,7 @@
     "1",
     "2",
     "3",
+    "blackbox",
     "wpt"
   ],
   "platforms": [
diff --git a/.github/config/linux.json b/.github/config/linux.json
index 9f2f61e6560..6fa6e94bb80 100644
--- a/.github/config/linux.json
+++ b/.github/config/linux.json
@@ -2,7 +2,7 @@
   "docker_service": "build-linux",
   "evergreen_loader": "linux-x64x11",
   "on_host_test": true,
-  "on_host_test_shards": ["0", "1", "2", "3", "wpt"],
+  "on_host_test_shards": ["0", "1", "2", "3", "blackbox", "wpt"],
   "platforms": [
     "linux-x64x11",
     "linux-x64x11-egl",