Example I just hit below:

Running presubmit upload checks ...

** Presubmit Warnings **
Header using the wrong include guard name COMPONENTS_CRYPTAUTH_BLE_FAKE_BACKGROUND_EID_GENERATOR_H_
  components/cryptauth/fake_background_eid_generator.h:5

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Expected: u'COMPONENTS_CRYPTAUTH_BLE_FAKE_BACKGROUND_EID_GENERATOR_H_'
Got: 'COMPONENTS_CRYPTAUTH_FAKE_BACKGROUND_EID_GENERATOR_H_'
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It's saying it expects the same string that it was just complaining about! :p