MULE-7611: Adding test case to reproduce the issue
MULE-7611 MEL expression using dot notation .'variable-name' always returns null if first value at first access is null, even after value changes
Merge pull request #943 from mulesoft/MULE-7611

MULE-7611 MEL expression using dot notation .'variable-name' always returns null if first value at first access is null, even after value changes