test: Fix node integration tests sharing SDK initializations (#5715)

Author: Luca Forstner

packages/node-integration-tests/jest.config.js

@@ -4,4 +4,5 @@ module.exports = {
   globalSetup: '<rootDir>/utils/setup-tests.ts',
   ...baseConfig,
   testMatch: ['**/test.ts'],
+  setupFilesAfterEnv: ['./jest.setup.js'],
 };

packages/node-integration-tests/jest.setup.js

@@ -0,0 +1,2 @@
+// Increases test timeout from 5s to 45s
+jest.setTimeout(45000);

packages/node-integration-tests/package.json

@@ -17,7 +17,7 @@
     "fix:prettier": "prettier --write \"{suites,utils}/**/*.ts\"",
     "type-check": "tsc",
     "pretest": "run-s --silent prisma:init",
-    "test": "jest --runInBand --forceExit",
+    "test": "jest --forceExit",
     "test:watch": "yarn test --watch"
   },
   "dependencies": {

packages/node-integration-tests/utils/index.ts

@@ -137,11 +137,9 @@ export class TestEnv {
    * @return {*}  {Promise<string>}
    */
   public static async init(testDir: string, serverPath?: string, scenarioPath?: string): Promise<TestEnv> {
-    const port = await getPortPromise();
-    const url = `http://localhost:${port}/test`;
     const defaultServerPath = path.resolve(process.cwd(), 'utils', 'defaults', 'server');
 
-    const server = await new Promise<http.Server>(resolve => {
+    const [server, url] = await new Promise<[http.Server, string]>(resolve => {
       // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-member-access
       const app = require(serverPath || defaultServerPath).default as Express;
 
@@ -153,8 +151,11 @@ export class TestEnv {
         }
       });
 
-      const server = app.listen(port, () => {
-        resolve(server);
+      void getPortPromise().then(port => {
+        const url = `http://localhost:${port}/test`;
+        const server = app.listen(port, () => {
+          resolve([server, url]);
+        });
       });
     });