Intent of extensionsMerge.ts ×2

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 4 tests
- platform/ 4 tests
  - userDataSync/ 4 tests
    
    test/ 4 tests
    
    common/ 4 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/userDataSync/test/common/extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when both moved forwarded with skipped and ignoredextensions|occurrence=1 Inherited extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when both moved forwarded with skipped and ignoredextensions|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/userDataSync/test/common/extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when both moved forwarded with skipped extensions|occurrence=1 Inherited extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when both moved forwarded with skipped extensions|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/userDataSync/test/common/extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when remote is moved forwarded with skipped and ignored extensions|occurrence=1 Inherited extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when remote is moved forwarded with skipped and ignored extensions|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/userDataSync/test/common/extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when remote is moved forwarded with skipped extensions|occurrence=1 Inherited extensionsMerge.test|title=ExtensionsMerge merge local and remote extensions when remote is moved forwarded with skipped extensions|occurrence=1