Resolve #3456202 "Test phpunits ouside form action btn"

added 1037 commits

• d0f18df4...6dd918c9 - 1035 commits from branch project:11.x
• 46936a19 - Merge branch '11.x' into 3456202-test-ouside-form-btn
• 75ebc16c - Return types

Compare with previous version

closed