Fixes bug in functional_tests.yml

[aktsay6]

What's done

• Fixed bug with escape character

This pull request closes #344

Actions checklist

• Implemented Rule, added Warnings
• Added tests on checks
• Added tests on fixers
• Updated diktat-analysis.yml
• Updated available-rules.md

[codecov]

Codecov Report

Merging #345 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #345   +/-   ##
=========================================
  Coverage     81.77%   81.77%           
  Complexity     1102     1102           
=========================================
  Files            54       54           
  Lines          2798     2798           
  Branches        890      890           
=========================================
  Hits           2288     2288           
  Misses          183      183           
  Partials        327      327           

Flag	Coverage Δ	Complexity Δ
#unittests	81.77% <ø> (ø)	1102.00 <ø> (ø)

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[petertrr]

Maven command should be
mvn -B compile antrun:run@functional-test > out
I think

[petertrr]

LGTM