diff --git a/src/components/graph/selectionToolbox/BypassButton.test.ts b/src/components/graph/selectionToolbox/BypassButton.test.ts
index 393e3fe55..a6fa3ff94 100644
--- a/src/components/graph/selectionToolbox/BypassButton.test.ts
+++ b/src/components/graph/selectionToolbox/BypassButton.test.ts
@@ -85,11 +85,10 @@ describe('BypassButton', () => {
   })
 
   it('should show bypassed styling when node is bypassed', async () => {
-    const bypassedNode: Partial<LGraphNode> = {
-      ...getMockLGraphNode(),
+    const bypassedNode = Object.assign(getMockLGraphNode(), {
       mode: LGraphEventMode.BYPASS
-    }
-    canvasStore.selectedItems = [bypassedNode as LGraphNode]
+    })
+    canvasStore.selectedItems = [bypassedNode]
     vi.spyOn(commandStore, 'execute').mockResolvedValue()
     const wrapper = mountComponent()
 
diff --git a/src/composables/graph/useGraphHierarchy.test.ts b/src/composables/graph/useGraphHierarchy.test.ts
index 6212cdbd6..c7b5a8f81 100644
--- a/src/composables/graph/useGraphHierarchy.test.ts
+++ b/src/composables/graph/useGraphHierarchy.test.ts
@@ -14,11 +14,13 @@ import { useGraphHierarchy } from './useGraphHierarchy'
 vi.mock('@/renderer/core/canvas/canvasStore')
 
 function createMockNode(overrides: Partial<LGraphNode> = {}): LGraphNode {
-  return {
-    ...createMockLGraphNode(),
-    boundingRect: new Rectangle(100, 100, 50, 50),
-    ...overrides
-  } as LGraphNode
+  return Object.assign(
+    createMockLGraphNode(),
+    {
+      boundingRect: new Rectangle(100, 100, 50, 50)
+    },
+    overrides
+  )
 }
 
 function createMockGroup(overrides: Partial<LGraphGroup> = {}): LGraphGroup {
diff --git a/src/utils/__tests__/litegraphTestUtils.ts b/src/utils/__tests__/litegraphTestUtils.ts
index f73d0d91d..e43aa5930 100644
--- a/src/utils/__tests__/litegraphTestUtils.ts
+++ b/src/utils/__tests__/litegraphTestUtils.ts
@@ -191,13 +191,15 @@ export function createMockLGraphNodeWithArrayBoundingRect(
  * Creates a mock FileList from an array of files
  */
 export function createMockFileList(files: File[]): FileList {
-  const fileList = {
-    ...files,
-    length: files.length,
-    item: (index: number) => files[index] ?? null,
-    [Symbol.iterator]: function* () {
-      yield* files
-    }
-  }
+  const fileList = Object.assign(
+    {
+      length: files.length,
+      item: (index: number) => files[index] ?? null,
+      [Symbol.iterator]: function* () {
+        yield* files
+      }
+    },
+    files
+  )
   return fileList as FileList
 }