diff --git a/atomkraft/test/__init__.py b/atomkraft/test/__init__.py
index a3dce77..3a46ee2 100644
--- a/atomkraft/test/__init__.py
+++ b/atomkraft/test/__init__.py
@@ -37,7 +37,7 @@ def trace(
     Test blockchain by running one trace
     """
 
-    test_trace(trace.name, reactor.name, keypath)
+    test_trace(trace.name, reactor if reactor is None else reactor.name, keypath)
 
 
 @app.command()
diff --git a/atomkraft/test/trace.py b/atomkraft/test/trace.py
index b52fae8..fd0e68a 100644
--- a/atomkraft/test/trace.py
+++ b/atomkraft/test/trace.py
@@ -2,6 +2,8 @@
 from atomkraft.utils.project import project_root
 import os.path
 from datetime import datetime
+import pytest
+from ..reactor.reactor import get_reactor
 
 
 trace_test_stub = """
@@ -20,6 +22,9 @@ def test_trace(trace: PathLike, reactor: PathLike, keypath: str):
     Test blockchain by running one trace
     """
 
+    if reactor is None:
+        reactor = get_reactor()
+
     root = project_root()
     if not root:
         raise RuntimeError(
@@ -40,10 +45,13 @@ def test_trace(trace: PathLike, reactor: PathLike, keypath: str):
         .replace(":", "_")
         .replace("-", "_")
     )
-    test = os.path.join(tests, f"{test_name}.py")
-    with open(test, "w") as test:
+    test_path = os.path.join(tests, f"{test_name}.py")
+    with open(test_path, "w") as test:
+        print(f"Writing {test_name} ...")
         test.write(
             trace_test_stub.format(
                 str(reactor).replace("/", ".").replace(".py", ""), trace, keypath
             )
         )
+    print(f"Executing {test_name} ...")
+    pytest.main(["-s", test_path])