enhance: Added More Test Cases for JSON Driver

[usernane]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 94.73684% with 2 lines in your changes missing coverage. Please review.

Project coverage is 84.74%. Comparing base (790ffc8) to head (26371a9).
Report is 15 commits behind head on master.

Files with missing lines	Patch %	Lines
webfiori/framework/config/JsonDriver.php	94.73%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #234      +/-   ##
============================================
+ Coverage     84.62%   84.74%   +0.12%     
- Complexity     2481     2492      +11     
============================================
  Files            55       55              
  Lines          7744     7776      +32     
============================================
+ Hits           6553     6590      +37     
+ Misses         1191     1186       -5     

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud