* Add ShouldReturnZeroExitCodeWithParam function and a new set of tests for MSYS2 tools
* Change get-command -> Get-Command
* Remove elevated user, return original path after msys installation and tests, resolve nitpicks
* Add BeforeEach and AfterEach blocks
These blocks change the path before each test
and return the original path after each test
* Change get-command -> Get-Command
* ,oving to the pester approach part #5
* moving to the pester approach part #5
* fixed PostgreSQL tests
* return Validate-Svn.ps1
* fixed Selenium test
* fixed rust test
* fix rust test
