[JENKINS-22545] Show the beginning of the Error Message in Failed Tests table

Use-cases:

• Add an easy way to manually filter away "Failed to clean up temp dirs" messages after the build of Jenkins core

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Originally reported by oleg_nenashev, imported from: Show the beginning of the Error Message in Failed Tests table

• status: Open
  
• priority: Minor
  
• component(s): junit-plugin
  
• label(s): reporting, ui, usability
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 1
  
• imported: 2025-11-26
  

Use-cases:



	
Add an easy way to manually filter away "Failed to clean up temp dirs" messages after the build of Jenkins core

• environment: jenkins-1.509.4

No file or test is named; start by locating the junit-plugin implementation of the Failed Tests table and its error-message rendering. Done means the table shows the beginning of error messages and supports manually filtering messages such as "Failed to clean up temp dirs".

Written by the indexing model from the issue text.