test class not captured in deployment history
It would be nice to capture whatever test classes ran for code coverage deployment of classes/triggers in the deployment summary in the Test Results section. You already have a section for this test results so why not add the class names used in the report. We have come across many classes deployed without their appropriate test classes and it is hard tracking/documenting which test classes were used to deploy these as there are no documentations in the class.

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Paul Fleenor commented
Similar, when a feature fails validation because of this the message says its a code coverage issue but I have to log into Salesforce in order to get the effected class. Can the class name(s) be included in this message?
"Validation failed
(API version 64)There has been a problem validating your changes. The error message returned was:
Validation failed with code coverage warnings: Test coverage of selected Apex Class is 70.833%, at least 75% test coverage is required"