Test case and potential fix for #383

[JonasProgrammer]

• signal nodeMatch to parent handler in OneOfValidator

[codecov-io]

Codecov Report

Merging #384 (09b2b04) into master (e692d47) will increase coverage by 0.09%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #384      +/-   ##
============================================
+ Coverage     69.53%   69.63%   +0.09%     
- Complexity      705      707       +2     
============================================
  Files            81       81              
  Lines          2764     2766       +2     
  Branches        561      562       +1     
============================================
+ Hits           1922     1926       +4     
+ Misses          627      626       -1     
+ Partials        215      214       -1     

Impacted Files	Coverage Δ	Complexity Δ
...main/java/com/networknt/schema/OneOfValidator.java	61.01% <100.00%> (+1.53%)	12.00 <0.00> (+1.00)
.../main/java/com/networknt/schema/JsonSchemaRef.java	91.66% <0.00%> (+8.33%)	5.00% <0.00%> (+1.00%)

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[stevehu]

@JonasProgrammer Thanks a lot for the contribution.