fix tests

Author: baileympearson

test/integration/retryable-writes/non-server-retryable_writes.test.ts

@@ -32,7 +32,7 @@ describe('Non Server Retryable Writes', function () {
     'returns the original error with a PoolRequstedRetry label after encountering a WriteConcernError',
     { requires: { topology: 'replicaset' } },
     async () => {
-      const serverCommandStub = sinon.stub(Server.prototype, 'modernCommand');
+      const serverCommandStub = sinon.stub(Server.prototype, 'command');
       serverCommandStub.onCall(0).rejects(new PoolClearedError('error'));
       serverCommandStub.onCall(1).returns(
         Promise.reject(

test/integration/retryable-writes/retryable_writes.spec.prose.test.ts

@@ -275,7 +275,7 @@ describe('Retryable Writes Spec Prose', () => {
       'when a retry attempt fails with an error labeled NoWritesPerformed, drivers MUST return the original error',
       { requires: { topology: 'replicaset', mongodb: '>=4.2.9' } },
       async () => {
-        const serverCommandStub = sinon.stub(Server.prototype, 'modernCommand');
+        const serverCommandStub = sinon.stub(Server.prototype, 'command');
         serverCommandStub.onCall(0).rejects(
           new MongoWriteConcernError({
             errorLabels: ['RetryableWriteError'],