[Windows] Implement new directories hierarchy (#8616)

images/windows/scripts/tests/Rust.Tests.ps1

@@ -0,0 +1,35 @@
+Describe "Rust" {
+    BeforeAll {
+        $env:RUSTUP_HOME = "C:\Users\Default\.rustup"
+        $env:CARGO_HOME = "C:\Users\Default\.cargo"
+        $env:Path += ";$env:CARGO_HOME\bin"
+    }
+
+    $rustTools = @(
+        @{ToolName = "rustup"; binPath = "C:\Users\Default\.cargo\bin\rustup.exe"}
+        @{ToolName = "rustc"; binPath = "C:\Users\Default\.cargo\bin\rustc.exe"}
+        @{ToolName = "bindgen.exe"; binPath = "C:\Users\Default\.cargo\bin\bindgen.exe"}
+        @{ToolName = "cbindgen.exe"; binPath = "C:\Users\Default\.cargo\bin\cbindgen.exe"}
+        @{ToolName = "cargo"; binPath = "C:\Users\Default\.cargo\bin\cargo.exe"}
+        @{ToolName = "cargo audit"; binPath = "C:\Users\Default\.cargo\bin\cargo-audit.exe"}
+        @{ToolName = "cargo outdated"; binPath = "C:\Users\Default\.cargo\bin\cargo-outdated.exe"}
+    )
+
+    $rustEnvNotExists = @(
+        @{envVar = "RUSTUP_HOME"}
+        @{envVar = "CARGO_HOME"}
+    )
+
+    It "C:\Users\Default\.rustup and C:\Users\Default\.cargo folders exist" {
+        "C:\Users\Default\.rustup", "C:\Users\Default\.cargo" | Should -Exist
+    }
+
+    It "<envVar> environment variable does not exist" -TestCases $rustEnvNotExists {
+        [Environment]::GetEnvironmentVariables("Machine").ContainsKey($envVar) | Should -BeFalse
+    }
+
+    It "<ToolName> is installed to the '<binPath>' folder" -TestCases $rustTools {
+        "$ToolName --version" | Should -ReturnZeroExitCode
+        $binPath | Should -Exist
+    }
+}