test: fix shims disable test

Author: Timeless0911

tests/integration/shims/esm/rslibShimsDisabled.config.ts

@@ -4,12 +4,11 @@ import config from './rslib.config';
 export default defineConfig({
   ...config,
   lib: [config.lib[0]!, config.lib[2]!].map((libConfig) => {
-    if (typeof libConfig.output!.distPath === 'object') {
-      libConfig.output!.distPath!.root =
-        libConfig.output!.distPath!.root!.replace(
-          './dist/enabled',
-          './dist/disabled',
-        );
+    if (typeof libConfig.output!.distPath === 'string') {
+      libConfig.output!.distPath = libConfig.output!.distPath.replace(
+        './dist/enabled',
+        './dist/disabled',
+      );
     }
     delete libConfig.shims;
     return libConfig;