update tests to use new wc shape

Author: HanaPearlman

src/bulk/common.ts

@@ -1072,7 +1072,7 @@ export abstract class BulkOperationBase {
    * bulkOp.find({ h: 8 }).delete();
    *
    * // Add a replaceOne
-   * bulkOp.find({ i: 9 }).replaceOne({ j: 10 });
+   * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
    *
    * // Update using a pipeline (requires Mongodb 4.2 or higher)
    * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([

test/functional/client_side_encryption/prose.test.js

@@ -478,7 +478,7 @@ describe('Client Side Encryption Prose Tests', function () {
             return this.client
               .db(keyVaultDbName)
               .collection(keyVaultCollName)
-              .insertOne(limitsKey, { w: 'majority' });
+              .insertOne(limitsKey, { writeConcern: { w: 'majority' } });
           })
       );
     });
@@ -735,7 +735,7 @@ describe('Client Side Encryption Prose Tests', function () {
             return this.client
               .db(keyVaultDbName)
               .collection(keyVaultCollName)
-              .insertOne(externalKey, { w: 'majority' });
+              .insertOne(externalKey, { writeConcern: { w: 'majority' } });
           })
       );
     });

test/functional/connections_stepdown.test.js

@@ -56,9 +56,9 @@ describe('Connections survive primary step down', function () {
         db = client.db('step-down');
         collection = db.collection('step-down');
       })
-      .then(() => collection.drop({ w: 'majority' }))
+      .then(() => collection.drop({ writeConcern: { w: 'majority' } }))
       .catch(ignoreNsNotFound)
-      .then(() => db.createCollection('step-down', { w: 'majority' }));
+      .then(() => db.createCollection('step-down', { writeConcern: { w: 'majority' } }));
   });
 
   let deferred = [];
@@ -75,7 +75,7 @@ describe('Connections survive primary step down', function () {
     test: function () {
       return collection
         .insertMany([{ a: 1 }, { a: 2 }, { a: 3 }, { a: 4 }, { a: 5 }], {
-          w: 'majority'
+          writeConcern: { w: 'majority' }
         })
         .then(result => expect(result.insertedCount).to.equal(5))
         .then(() => {