bugfix(): fix incorrect platform-express resolution

Author: kamilmysliwiec

packages/core/nest-factory.ts

@@ -185,7 +185,11 @@ export class NestFactoryStatic {
   }
 
   private createHttpAdapter<T = any>(httpServer?: T): AbstractHttpAdapter {
-    const { ExpressAdapter } = loadAdapter('@nestjs/platform-express', 'HTTP');
+    const { ExpressAdapter } = loadAdapter(
+      '@nestjs/platform-express',
+      'HTTP',
+      () => require('@nestjs/platform-express'),
+    );
     return new ExpressAdapter(httpServer);
   }
 

packages/testing/testing-module.ts

@@ -63,6 +63,7 @@ export class TestingModule extends NestApplicationContext {
     const { ExpressAdapter } = loadPackage(
       '@nestjs/platform-express',
       'NestFactory',
+      () => require('@nestjs/platform-express'),
     );
     return new ExpressAdapter(httpServer);
   }