diff --git a/tools/bots/README.md b/tools/bots/README.md
index f52e565af5d..c9903a0daf1 100644
--- a/tools/bots/README.md
+++ b/tools/bots/README.md
@@ -89,7 +89,7 @@ Inside arguments, the following variables will be expanded to values extracted
 from the builder name:
 - `${mode}`: the mode in which to run the tests; e.g., `release`, `debug`
 - `${arch}`: architecture to run the tests on; e.g., `ia32`, `x64`
-- `$[system}`: the system on which to run the tests; e.g., `win`, `linux`, `mac`
+- `${system}`: the system on which to run the tests; e.g., `win`, `linux`, `mac`
 - `${runtime}`: the runtime to use to run the tests; e.g., `vm`, `chrome`, `d8`
 
 ```json
@@ -135,7 +135,7 @@ Parsing of builder names is done in [1]. A name like
 "front-end-nnbd-win-release-x64" is parsed into variables:
 
 - `info`: `"front-end-nnbd"`
-- `os`: `"win"`
+- `system`: `"win"`
 - `mode`: `"release"`
 - `arch`: `"x64"`
 
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index b4bf618a4f9..7cee52e4b5b 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -476,7 +476,7 @@
         "timeout": 120
       }
     },
-    "dart2wasm-asserts-(linux|mac|win)-minify-(d8|jsshell|jsc|chrome|firefox)": {
+    "dart2wasm-asserts-minified-(linux|mac|win)-(d8|jsshell|jsc|chrome|firefox)": {
       "options": {
         "dart2wasm-options": [
           "--minify"
@@ -2728,7 +2728,7 @@
         {
           "name": "dart2wasm tests",
           "arguments": [
-            "-ndart2wasm-asserts-linux-${runtime}",
+            "-ndart2wasm-asserts-${system}-${runtime}",
             "co19",
             "corelib",
             "language",
@@ -2766,7 +2766,7 @@
           "testRunner": true,
           "arguments": [
             "pkg/dynamic_modules/test/runner/main.dart",
-            "-ndart2wasm-linux-${runtime}",
+            "-ndart2wasm-${system}-${runtime}",
             "-rdart2wasm",
             "--verbose"
           ]
@@ -2774,7 +2774,51 @@
         {
           "name": "dart2wasm tests",
           "arguments": [
-            "-ndart2wasm-linux-${runtime}",
+            "-ndart2wasm-${system}-${runtime}",
+            "co19",
+            "corelib",
+            "language",
+            "lib",
+            "web"
+          ],
+          "shards": 8,
+          "fileset": "dart2wasm_hostasserts"
+        }
+      ]
+    },
+    {
+      "builders": [
+        "dart2wasm-asserts-minified-linux-d8"
+      ],
+      "meta": {
+        "description": "dart2wasm minified tests"
+      },
+      "steps": [
+        {
+          "name": "build dart",
+          "script": "tools/build.py",
+          "arguments": [
+            "runtime",
+            "dart2wasm",
+            "create_sdk",
+            "dartaotruntime"
+          ]
+        },
+        {
+          "name": "dart2wasm dynamic modules",
+          "script": "out/ReleaseX64/dart",
+          "testRunner": true,
+          "arguments": [
+            "pkg/dynamic_modules/test/runner/main.dart",
+            "-ndart2wasm-asserts-minified-${system}-${runtime}",
+            "-rdart2wasm",
+            "--verbose"
+          ]
+        },
+        {
+          "name": "dart2wasm tests",
+          "arguments": [
+            "-ndart2wasm-asserts-minified-${system}-${runtime}",
             "co19",
             "corelib",
             "language",
@@ -2807,7 +2851,7 @@
         {
           "name": "dart2wasm tests",
           "arguments": [
-            "-ndart2wasm-linux-optimized-${runtime}",
+            "-ndart2wasm-${system}-optimized-${runtime}",
             "co19",
             "corelib",
             "language",
@@ -2840,7 +2884,7 @@
         {
           "name": "dart2wasm tests",
           "arguments": [
-            "-ndart2wasm-linux-jscm-${runtime}",
+            "-ndart2wasm-${system}-jscm-${runtime}",
             "co19",
             "corelib",
             "language",