Intent of filters.test|title=Filters Cannot set property '1' of undefined, #26511|occurrence=1

All 6 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 6 tests
- base/ 6 tests
  - test/ 6 tests
    
    common/ 6 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters Autocompletion is matched against truncated filterText to 54 characters #74133|occurrence=1 Inherited filters.test|title=Filters Autocompletion is matched against truncated filterText to 54 characters #74133|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters Cannot set property '1' of undefined, #26511|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters fuzzyScore, #23581|occurrence=1 Inherited filters.test|title=Filters fuzzyScore, #23581|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters fuzzyScore, many matches|occurrence=1 Inherited filters.test|title=Filters fuzzyScore, many matches|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters fuzzyScore|occurrence=1 Inherited filters.test|title=Filters fuzzyScore|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/filters.test|title=Filters topScore - fuzzyScore|occurrence=1 Inherited filters.test|title=Filters topScore - fuzzyScore|occurrence=1