Use correct mail method to deliver CSV email

app/jobs/email_csv_job.rb

@@ -16,6 +16,6 @@ class EmailCsvJob < ApplicationJob
 
     url = storage_service.get_presigned_url(filename, EXPIRATION_TIME)
 
-    CsvDownloadMailer.new.send_email(user, url, EXPIRATION_TIME)
+    CsvDownloadMailer.new.send_csv_download_mail(user, url, EXPIRATION_TIME)
   end
 end

spec/jobs/email_csv_job_spec.rb

@@ -35,7 +35,7 @@ describe EmailCsvJob do
       allow(storage_service).to receive(:get_presigned_url).and_return(test_url)
 
       allow(CsvDownloadMailer).to receive(:new).and_return(mailer)
-      allow(mailer).to receive(:send_email)
+      allow(mailer).to receive(:send_csv_download_mail)
     end
 
     it "uses an appropriate filename in S3" do
@@ -49,7 +49,7 @@ describe EmailCsvJob do
     end
 
     it "sends an E-mail with the presigned URL and duration" do
-      expect(mailer).to receive(:send_email).with(user, test_url, instance_of(Integer))
+      expect(mailer).to receive(:send_csv_download_mail).with(user, test_url, instance_of(Integer))
       job.perform(user)
     end