test(replset-single-restart): remove unused non-null assertion

Author: hasezoey

packages/mongodb-memory-server-core/src/__tests__/replset-single-restart.test.ts

@@ -32,7 +32,7 @@ describe('single-member replica set', () => {
 
     // Write real port to config (because 27017 may be busy, we need to get real port)
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    opts.instanceOpts![0].port = replSetBefore.servers[0].instanceInfo!.port;
+    opts.instanceOpts[0].port = replSetBefore.servers[0].instanceInfo!.port;
 
     await replSetBefore.stop();