Intent of modelDecorations.test|title=Decorations and editing insert collapsed dec before|occurrence=1, modelDecorations.test|title=Decorations and editing insert non-collapsed dec before|occurrence=1

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 2 tests
- editor/ 2 tests
  - test/ 2 tests
    
    common/ 2 tests
    
    model/ 2 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/editor/test/common/model/modelDecorations.test|title=Decorations and editing insert collapsed dec before|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/editor/test/common/model/modelDecorations.test|title=Decorations and editing insert non-collapsed dec before|occurrence=1 Introduced here