Update src/webgpu/idl/javascript.spec.ts

Co-authored-by: Kai Ninomiya <[email protected]>

Author: greggman

src/webgpu/idl/javascript.spec.ts

@@ -541,7 +541,7 @@ g.test('sameObject')
 
 const kClassInheritanceTests: { [key: string]: (device: GPUDevice) => [boolean, string] } = {
   GPUDevice(device: GPUDevice) {
-    return [device instanceof EventTarget, 'GPDevice extends EventTarget'];
+    return [device instanceof EventTarget, 'GPUDevice extends EventTarget'];
   },
   GPUPipelineError() {
     return [