Intent of fromAgentHostUri round-trips a file URI|occurrence=1

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
  - agentHost/ 4 tests
    
    test/ 4 tests
    
    common/ 4 tests
    
    agentHostFileSystemProvider.test|title=toAgentHostUri / 2 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/common/agentHostFileSystemProvider.test|title=toAgentHostUri / fromAgentHostUri agentHostUri for root path produces valid encoded URI|occurrence=1 Inherited fromAgentHostUri agentHostUri for root path produces valid encoded URI|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/common/agentHostFileSystemProvider.test|title=toAgentHostUri / fromAgentHostUri round-trips a file URI|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/common/agentHostFileSystemProvider.test|title=AgentHostFileSystemProvider - URI helpers agentHostRemotePath extracts the original path|occurrence=1 Inherited agentHostFileSystemProvider.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/agentHost/test/common/agentHostFileSystemProvider.test|title=AgentHostFileSystemProvider - URI helpers agentHostRemotePath round-trips with agentHostUri|occurrence=1 Inherited agentHostFileSystemProvider.ts ×1