fix tests

Author: baileympearson

test/integration/auth/mongodb_aws.test.ts

@@ -340,7 +340,7 @@ describe('AWS KMS Credential Fetching', function () {
       this.currentTest?.skipReason && this.skip();
     });
     it('fetching AWS KMS credentials throws an error', async function () {
-      const error = await new KMSCredentialProvider({ aws: {} }).refreshCredentials().catch(e => e);
+      const error = await refreshKMSCredentials({ aws: {} }).catch(e => e);
       expect(error).to.be.instanceOf(MongoAWSError);
     });
   });

test/unit/client-side-encryption/providers/credentialsProvider.test.ts

@@ -158,31 +158,6 @@ describe('#refreshKMSCredentials', function () {
       });
     });
 
-    context('when the sdk is not installed', function () {
-      const kmsProviders = {
-        local: {
-          key: Buffer.alloc(96)
-        },
-        aws: {}
-      };
-
-      before(function () {
-        if (requirements.credentialProvidersInstalled.aws && this.currentTest) {
-          this.currentTest.skipReason = 'Credentials will be loaded when sdk present';
-          this.currentTest.skip();
-          return;
-        }
-      });
-
-      it('throws a MongoAWSError', async function () {
-        const error = await refreshKMSCredentials(kmsProviders).catch(e => e);
-        const expectedErrorMessage = 'Optional module `@aws-sdk/credential-providers` not found';
-        expect(error)
-          .to.be.instanceOf(MongoAWSError)
-          .to.match(new RegExp(expectedErrorMessage, 'i'));
-      });
-    });
-
     context('when the AWS SDK returns unknown fields', function () {
       beforeEach(() => {
         sinon.stub(AWSSDKCredentialProvider.prototype, 'getCredentials').resolves({