Intent of configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when the last but one node has more values|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
- platform/ 6 tests
  - configuration/ 6 tests
    
    test/ 6 tests
    
    common/ 6 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when in between node has more values|occurrence=1 Inherited configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is array|occurrence=1, configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is undefined|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is array|occurrence=1 Inherited configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is array|occurrence=1, configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is undefined|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is undefined|occurrence=1 Inherited configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is array|occurrence=1, configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is undefined|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when the first node has more values|occurrence=1 Inherited configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is array|occurrence=1, configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when its value is undefined|occurrence=1, +2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configuration.test|title=Configuration removeFromValueTree: remove a multi segmented key when the last but one node has more values|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/configuration/test/common/configurationModels.test|title=ConfigurationModel removeValue: remove a multi segmented key|occurrence=1 Inherited configurationModels.test|title=ConfigurationModel removeValue: remove a multi segmented key|occurrence=1