title: XCode: How can I verify an IPA is valid before uploading?
body: <p>I have a problem with creating IPA files and TestFlight is showing me this reason.</p>
  
  <p><a href="http://help.testflightapp.com/customer/portal/articles/402843-mismatched-keychain-access-groups" rel="noreferrer">http://help.testflightapp.com/customer/portal/articles/402843-mismatched-keychain-access-groups</a></p>
  
  <p>I get a mismatch with keychain access groups but it takes a while to upload the IPA file to TestFlight before it can tell me the file is not valid. I'd like to test the file before I even upload it. I would also like to know how to get information abou the IPA file so that I can diagnose and fix the problem. I have  no idea how it is failing since I am using the same Code Signing Identity in the Debug/Release builds as well as signing the IPA from the Archive. I have no idea what is wrong or how to fix it.</p>
  
  <p>Any help is appreciated.</p>