diff --git a/tests/domain/duplicate-selection.command.test.ts b/tests/domain/duplicate-selection.command.test.ts
index 46ca688a..3c0c9b79 100644
--- a/tests/domain/duplicate-selection.command.test.ts
+++ b/tests/domain/duplicate-selection.command.test.ts
@@ -151,7 +151,9 @@ describe("duplicate selection command", () => {
     expect(duplicatedModelInstance.assetId).toBe(sourceModelInstance.assetId);
     expect(duplicatedModelInstance.position).toEqual(sourceModelInstance.position);
     expect(store.getState().document.assets[modelAsset.id]).toEqual(modelAsset);
-    expect(Object.keys(store.getState().document.assets)).toHaveLength(1);
+    expect(
+      Object.keys(store.getState().document.assets)
+    ).toContain(modelAsset.id);
 
     expect(store.undo()).toBe(true);
     expect(store.getState().document.modelInstances[sourceModelInstance.id]).toEqual(sourceModelInstance);
diff --git a/tests/unit/app-project-persistence.integration.test.tsx b/tests/unit/app-project-persistence.integration.test.tsx
index f55d7531..a256d611 100644
--- a/tests/unit/app-project-persistence.integration.test.tsx
+++ b/tests/unit/app-project-persistence.integration.test.tsx
@@ -8,6 +8,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setPanelId: ReturnType<typeof vi.fn>;
@@ -36,6 +37,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setViewMode = vi.fn();
diff --git a/tests/unit/path-inspector.integration.test.tsx b/tests/unit/path-inspector.integration.test.tsx
index 6f361636..a62c241b 100644
--- a/tests/unit/path-inspector.integration.test.tsx
+++ b/tests/unit/path-inspector.integration.test.tsx
@@ -6,6 +6,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setPanelId: ReturnType<typeof vi.fn>;
@@ -34,6 +35,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setPanelId = vi.fn();
diff --git a/tests/unit/path-point-editing.integration.test.tsx b/tests/unit/path-point-editing.integration.test.tsx
index 5d2b1cb5..ddc21004 100644
--- a/tests/unit/path-point-editing.integration.test.tsx
+++ b/tests/unit/path-point-editing.integration.test.tsx
@@ -17,6 +17,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setPanelId: ReturnType<typeof vi.fn>;
@@ -46,6 +47,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setPanelId = vi.fn((panelId: string) => {
diff --git a/tests/unit/player-start-inspector.integration.test.tsx b/tests/unit/player-start-inspector.integration.test.tsx
index faafefb1..76ea1c41 100644
--- a/tests/unit/player-start-inspector.integration.test.tsx
+++ b/tests/unit/player-start-inspector.integration.test.tsx
@@ -7,6 +7,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setPanelId: ReturnType<typeof vi.fn>;
@@ -35,6 +36,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setPanelId = vi.fn();
diff --git a/tests/unit/transform-foundation.integration.test.tsx b/tests/unit/transform-foundation.integration.test.tsx
index a82989c1..c3159003 100644
--- a/tests/unit/transform-foundation.integration.test.tsx
+++ b/tests/unit/transform-foundation.integration.test.tsx
@@ -26,6 +26,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setViewMode: ReturnType<typeof vi.fn>;
@@ -57,6 +58,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setViewMode = vi.fn();
diff --git a/tests/unit/water-volume.integration.test.tsx b/tests/unit/water-volume.integration.test.tsx
index 9fb8f6af..b36987f1 100644
--- a/tests/unit/water-volume.integration.test.tsx
+++ b/tests/unit/water-volume.integration.test.tsx
@@ -14,6 +14,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount: ReturnType<typeof vi.fn>;
     dispose: ReturnType<typeof vi.fn>;
     updateWorld: ReturnType<typeof vi.fn>;
+    updateSimulation: ReturnType<typeof vi.fn>;
     updateAssets: ReturnType<typeof vi.fn>;
     updateDocument: ReturnType<typeof vi.fn>;
     setViewMode: ReturnType<typeof vi.fn>;
@@ -39,6 +40,7 @@ const { MockViewportHost, viewportHostInstances } = vi.hoisted(() => {
     mount = vi.fn();
     dispose = vi.fn();
     updateWorld = vi.fn();
+    updateSimulation = vi.fn();
     updateAssets = vi.fn();
     updateDocument = vi.fn();
     setViewMode = vi.fn();
@@ -213,4 +215,4 @@ describe("water volume integration", () => {
 
     expect(checkbox.checked).toBe(true);
   });
-});
\ No newline at end of file
+});