fix: ensure key is inserted

Author: nbbeeken

test/integration/client-side-encryption/driver.test.ts

@@ -490,16 +490,17 @@ describe('Client Side Encryption Functional', function () {
       });
       await keyVaultClient.connect();
 
-      commandsStarted = [];
-      keyVaultClient.on('commandStarted', ev => commandsStarted.push(ev));
-
       clientEncryption = new ClientEncryption(keyVaultClient, {
         keyVaultNamespace: 'keyvault.datakeys',
         kmsProviders: getLocalKmsProvider(),
         timeoutMS: 500
       });
 
       key1Id = await clientEncryption.createDataKey('local');
+      while ((await clientEncryption.getKey(key1Id)) == null);
+
+      commandsStarted = [];
+      keyVaultClient.on('commandStarted', ev => commandsStarted.push(ev));
     });
 
     afterEach(async function () {