Test response for forbidden WP attributes
Check update attribute constraints
Test work package update for valid attributes
WP update implementation
Test that API throws validation error
Set writeable WP attributes
Prevent double loading of API helpers
Test API V3 error response in regard to the specification
Implement API V3 error handling according to the specs
Refactor tests of API V3's anonymous user behavior
Use representer to render errors
Remove superfluous error handling
Test error response for write access to read-only attribute
Implement response to write access to read-only attribute
Change unauthenticated access error identifier
Fix check update attribute constraints
Let the error representer handle the error identifier
Test response for multipe read-only errors
Handle embedded errors
Test read-only error details