diff --git a/milabench/testing.py b/milabench/testing.py
index 9dcd455ee..aa77d1645 100644
--- a/milabench/testing.py
+++ b/milabench/testing.py
@@ -11,6 +11,26 @@
 from milabench.utils import multilogger, validation_layers
 
 
+here = Path(__file__).parent
+
+
+def official_config(name):
+    p = here / ".." / "config" / f"{name}.yaml"
+
+    if p.exists():
+        return p
+    
+    raise FileNotFoundError(f"{p} does not exist") 
+
+
+def resolved_config(name):
+    from .config import build_config
+
+    p = official_config(name)
+
+    return build_config(p)
+
+
 class ReplayPackage(BasePackage):
     """Disable some folder creation for replay purposes"""
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 3d021c570..8e6d6ce76 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,6 +2,8 @@
 import stat
 from pathlib import Path
 
+
+from milabench.testing import official_config
 import pytest
 import voir.instruments.gpu as voirgpu
 
@@ -21,20 +23,11 @@ def runs_folder():
 def config():
     def get_config(name):
         return here / "config" / f"{name}.yaml"
-
-    return get_config
-
-
-
-@pytest.fixture
-def official_config():
-    def get_config(name):
-        return here / ".." / "config" / f"{name}.yaml"
     return get_config
 
 
 @pytest.fixture
-def standard_config(official_config):
+def standard_config():
     return official_config("standard")
 
 
diff --git a/tests/test_mock.py b/tests/test_mock.py
index 69ab8e2ca..dc97a519f 100644
--- a/tests/test_mock.py
+++ b/tests/test_mock.py
@@ -1,20 +1,9 @@
 
+import milabench.alt_async
 import milabench.commands.executors
+from milabench.testing import resolved_config
 
-import traceback
-from pytest import fixture
-
-
-@fixture
-def args(standard_config, tmp_path):
-    return [
-        "--base", str(tmp_path),
-        "--config", str(standard_config)
-    ]
-
-
-async def mock_exec(command, phase="run", timeout=False, timeout_delay=600, **kwargs):
-    return [0]
+import pytest
 
 
 def run_cli(*args):
@@ -27,18 +16,45 @@ def run_cli(*args):
         assert not exc.code
 
 
-def test_milabench(monkeypatch, args):
-    monkeypatch.setenv("MILABENCH_GPU_ARCH", "cuda")
-    monkeypatch.setattr(milabench.commands, "execute_command", mock_exec)
+def benchlist(enabled=True):
+    standard = resolved_config("standard")
 
-    run_cli("install", *args)
+    for key, value in standard.items():
+        if value.get("enabled", False):
+            if key[0] != "_":
+                yield key
 
-    run_cli("prepare", *args)
+
+@pytest.fixture
+def args(standard_config, tmp_path):
+    return [
+        "--base", str(tmp_path),
+        "--config", str(standard_config)
+    ]
+
+
+def mock_voir_run(argv, info, timeout=None, constructor=None, env=None, **options):
+    from voir.proc import Multiplexer
+    mp = Multiplexer(timeout=timeout, constructor=constructor)
+    mp.start(["sleep", "1"], info=info, env=env, **options)
+    return mp
+
+
+@pytest.mark.parametrize("bench", benchlist())
+def test_milabench(monkeypatch, args, bench):
+    from milabench.cli.dry import assume_gpu
+
+    monkeypatch.setenv("MILABENCH_GPU_ARCH", "cuda")
+    
+    run_cli("install", *args, "--select", bench)
+
+    run_cli("prepare", *args, "--select", bench)
 
     #
     # use Mock GPU-SMI
     #
-    monkeypatch.setenv("MILABENCH_GPU_ARCH", "mock")
-    from milabench.cli.dry import assume_gpu
-    with assume_gpu(8):
-        run_cli("run", *args, "--no-report")
+    with monkeypatch.context() as ctx:
+        ctx.setattr(milabench.alt_async, "voir_run", mock_voir_run)
+        ctx.setenv("MILABENCH_GPU_ARCH", "mock")
+        with assume_gpu(8):
+            run_cli("run", *args, "--no-report", "--select", bench)