update test

Author: horike37

lib/deploy/stepFunctions/compileIamRole.test.js

@@ -17,7 +17,7 @@ describe('#compileIamRole', () => {
     serverless.setProvider('aws', new AwsProvider(serverless));
     const options = {
       stage: 'dev',
-      region: 'us-east-1',
+      region: 'ap-northeast-1',
     };
     serverlessStepFunctions = new ServerlessStepFunctions(serverless, options);
   });
@@ -55,7 +55,7 @@ describe('#compileIamRole', () => {
     expect(serverlessStepFunctions.serverless.service
       .provider.compiledCloudFormationTemplate.Resources.IamRoleStateMachineExecution
       .Properties.AssumeRolePolicyDocument.Statement[0].Principal.Service)
-      .to.be.equal('states.us-east-1.amazonaws.com');
+      .to.be.equal('states.ap-northeast-1.amazonaws.com');
 
     expect(serverlessStepFunctions.serverless.service
       .provider.compiledCloudFormationTemplate.Resources.IamRoleStateMachineExecution