Fix: CS of closure
Fix invalid step error caused by DST
remove unused use
CS
#6245 - single quotes for string values without interpolation
#6245 - adding coverage and group annotations
Merge branch 'hotfix/#6245-invalid-date-step-error-with-dst'

Close #6245
#6238 - PSR-2 expects one parameter per line in function calls
Merge branch 'cs/abstract-controller-test-case-closure-braces'

Close #6238