[macOS] Pester tests invocation after install - 2. (#2429)

* [macOS] Fail Pester tests on error

* return it back

* added new tests

* added new tests for Macos part2

* fixed nitpicks

* vsmac changes

* remove toolcache fron high sierra

images/macos/tests/Rust.Tests.ps1

@@ -0,0 +1,37 @@
+$os = Get-OSVersion
+
+Describe "Rust" -Skip:($os.IsHighSierra) {
+    Context "Rust" {
+        It "Rustup is installed" {
+            "rustup --version" | Should -ReturnZeroExitCode
+        }
+
+        It "Rustc is installed" {
+            "rustc --version" | Should -ReturnZeroExitCode
+        }
+    }
+    
+    Context "Cargo" {
+        It "Cargo is installed" {
+            "cargo --version" | Should -ReturnZeroExitCode
+        }
+    }
+
+    Context "Cargo dependencies" {
+        It "bindgen" {
+            "bindgen --version" | Should -ReturnZeroExitCode
+        }
+
+        It "cbindgen" {
+            "cbindgen --version" | Should -ReturnZeroExitCode
+        }
+
+        It "Cargo audit" {
+            "cargo audit --version" | Should -ReturnZeroExitCode
+        }
+
+        It "Cargo outdated" {
+            "cargo outdated --version" | Should -ReturnZeroExitCode
+        }
+    }
+}