test: fix test that was failing due to time differences

spec/lib/postal/smtp_server/client/data_spec.rb

@@ -50,10 +50,10 @@ module Postal
             client.handle("HELO test.example.com")
             client.handle("MAIL FROM: test@test.com")
             client.handle("RCPT TO: #{route.name}@#{route.domain.name}")
-            client.handle("DATA")
           end
 
           it "logs headers" do
+            client.handle("DATA")
             client.handle("Subject: Test")
             client.handle("From: test@test.com")
             client.handle("To: test1@example.com")
@@ -66,6 +66,8 @@ module Postal
           end
 
           it "logs content" do
+            Timecop.freeze do
+              client.handle("DATA")
               client.handle("Subject: Test")
               client.handle("")
               client.handle("This is some content for the message.")
@@ -81,6 +83,7 @@ module Postal
           end
         end
       end
+    end
 
   end
 end