diff --git a/fs.test b/fs.test
new file mode 100755
index 0000000..8ce8e51
Binary files /dev/null and b/fs.test differ
diff --git a/main_test.go b/main_test.go
index 68f442c..b19a9c5 100644
--- a/main_test.go
+++ b/main_test.go
@@ -13,6 +13,7 @@ import (
 
 	"ollie/session"
 	"ollie/agent"
+	"ollie/tools"
 	"ollie/backend"
 	olog "ollie/log"
 	"olliesrv/fs"
@@ -34,6 +35,7 @@ func newNoopCore(id string) *session.Session {
 		NewBackend: func(name string) (backend.Backend, error) {
 			return backend.NewNoop(name, "default"), nil
 		},
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 	})
 }
 
@@ -57,6 +59,7 @@ func newBlockingCore(id string) *session.Session {
 		NewBackend: func(name string) (backend.Backend, error) {
 			return backend.NewNoop(name, "default"), nil
 		},
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 	})
 }
 
@@ -78,6 +81,7 @@ func newContentCore(id, content string) *session.Session {
 		NewBackend: func(name string) (backend.Backend, error) {
 			return backend.NewNoop(name, "default"), nil
 		},
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 	})
 }
 
@@ -122,6 +126,7 @@ func newTestSessionManagerWithCore(t *testing.T) *mgr.Manager {
 				NewBackend: func(name string) (backend.Backend, error) {
 					return backend.NewNoop(name, "default"), nil
 				},
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 			}), nil
 		},
 	})
@@ -856,6 +861,7 @@ func TestSessionFileStoreMakePublishMultipleEvents(t *testing.T) {
 		AgentName: "default",
 		CWD:       "/tmp",
 		SessionID: "s1",
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 	})
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
@@ -1150,6 +1156,7 @@ func TestSessionManagerCreateSessionEnvExpansion(t *testing.T) {
 				AgentName: agentName,
 				CWD:       cwd,
 				SessionID: sessionID,
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 			}), nil
 		},
 	})
@@ -1173,6 +1180,7 @@ func TestSessionManagerCreateSessionTildeExpansion(t *testing.T) {
 				AgentName: agentName,
 				CWD:       cwd,
 				SessionID: sessionID,
+				NewDispatcher: func() tools.Dispatcher { return tools.NewDispatcher() },
 			}), nil
 		},
 	})