Bug: Amend LA name to "Local Council average "on graphs when the LA n…

[rgaddam-dfe]

Description

• Implemented logic to display Local council average when la name is greater than 19 chars
• Added unit tests

https://trello.com/c/jOp3OAfN/387-bug-amend-la-name-to-local-council-average-on-graphs-when-the-la-name-is-more-than-19-characters

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

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Code Coverage Report: Only Changed Files listed

Package	Coverage
Overall Coverage	🟢 61.2%

Minimum allowed coverage is 0%, this run produced 61.2%