src/vs/workbench/api/common/extHostTypeConverters.ts/toPlain
	export function toPlain(item: ITestItem): Omit<vscode.TestItem, 'children' | 'invalidate' | 'discoverChildren'> {
		return {
			id: item.extId,
			label: item.label,
			uri: URI.revive(item.uri),
			range: Range.to(item.range || undefined),
			dispose: () => undefined,
			invalidateResults: () => undefined,
			canResolveChildren: false,
			busy: false,
			debuggable: item.debuggable,
			description: item.description || undefined,
			runnable: item.runnable,
		};
	}