* Improved relative path checking based on file existence
If the file exists at the relative path, then use it. If not, then use the path as is.
* Apply File.Exists logic to ReadResponseBodyAsString as well
* Make path handling more robust since path is user defined
* Unit tests for relative path feature
* Replace all back and forward slashes with system dependent DirectorySeparatorChar
* Attempt fix broken directory separator chars for Unix platforms
* Revert wrapping GetMappingFolder with CleanPath
* Move CleanPath logic to its own class
* Remove whitespace
* Remove more whitespace
* Improve CleanPath method
* Move PathUtils tests to separate class
Add another test to ResponseWithBodyFromFileTests
* Fix Response_ProvideResponse_WithBodyFromFile_InAdminMappingFolder
* Debug Linux CI build
* Debug Linux CI
* print all files from admin mappings folder
* Debug CleanPath
* Fix removed leading directory separator char in Linux breaks file path
Remove debugging statements
* Move combine to PathUtils
* PathUtils + PathUtilsTests
* Remove replicated (3x) tests throughout ResponseWithBodyFromFileTests
Co-authored-by: Stef Heyenrath <Stef.Heyenrath@gmail.com>
