Fixes #5796
added unit test for #5796
change test method name
Merge pull request #5808 from samsonasik/fix/multiple-invalid-explodevalidator

Fixes #5796
[#5808] Fixed test case

to test the specific behavior as reported in #5796. Test now fails before the
patch, passes afterwards.
Merge branch 'hotfix/5808'

Close #5808
Fixes #5796