test(NODE-7508): Fix inconsistent wording for prose retryable writes test 6, case 3 (#4913)

Author: PavelSafronov

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

@@ -490,33 +490,35 @@ describe('Retryable Writes Spec Prose', () => {
       'Case 3: Test that drivers return the correct error when receiving some errors with NoWritesPerformed and some without NoWritesPerformed',
       { requires: { topology: 'replicaset', mongodb: '>=6.0' } },
       async () => {
-        // 2. Configure the client to listen to CommandFailedEvents. In the attached listener, configure a fail point with error
-        //     code `91` (NotWritablePrimary) and the `NoWritesPerformed`, `RetryableError` and `SystemOverloadedError` labels:
+        // 2. Configure a fail point with error code `91` (ShutdownInProgress) with the `RetryableError` and
+        //     `SystemOverloadedError` error labels:
         //     ```javascript
         //     {
         //         configureFailPoint: "failCommand",
-        //         mode: "alwaysOn",
+        //         mode: {times: 1},
         //         data: {
         //             failCommands: ["insert"],
-        //             errorLabels: ["RetryableError", "SystemOverloadedError", "NoWritesPerformed"],
+        //             errorLabels: ["RetryableError", "SystemOverloadedError"],
         //             errorCode: 91
         //         }
         //     }
         //     ```
 
-        // 3. Configure a fail point with error code `91` (ShutdownInProgress) with the `RetryableError` and
-        //     `SystemOverloadedError` error labels but without the `NoWritesPerformed` error label:
+        // 3. Via the command monitoring CommandFailedEvent, configure a fail point with error code `91` (ShutdownInProgress) and
+        //     the `NoWritesPerformed`, `RetryableError` and `SystemOverloadedError` labels:
         //     ```javascript
         //     {
         //         configureFailPoint: "failCommand",
-        //         mode: {times: 1},
+        //         mode: "alwaysOn",
         //         data: {
         //             failCommands: ["insert"],
-        //             errorLabels: ["RetryableError", "SystemOverloadedError"],
+        //             errorLabels: ["RetryableError", "SystemOverloadedError", "NoWritesPerformed"],
         //             errorCode: 91
         //         }
         //     }
         //     ```
+        //     Configure the second fail point command only if the failed event is for the first error configured in step 2.
+
         const serverCommandStub = sinon
           .stub(Server.prototype, 'command')
           .callsFake(async function () {