[macOS] Pester tests invocation after install. (#2421)

* [macOS] Fail Pester tests on error

* return it back

* [macOS] Pester tests invokation after install

* fix nitpicks

* CocoaPods fix

images/macos/tests/Common.Tests.ps1

@@ -156,61 +156,12 @@ Describe ".NET" {
     }
 }
 
-Describe "CocoaPods" {
-    It "CocoaPods" {
-        "pod --version" | Should -ReturnZeroExitCode
-    }
-}
-
 Describe "Homebrew" {
     It "Homebrew" {
         "brew --version" | Should -ReturnZeroExitCode
     }
 }
 
-Describe "Common utilities" {
-
-    It "Bundler" {
-        "bundler --version" | Should -ReturnZeroExitCode
-    }
-
-    Context "Nomad" -Skip:($os.IsBigSur) {
-        It "Nomad CLI" {
-            $result = Get-CommandResult "gem list"
-            $result.Output | Should -BeLike "*nomad-cli*"
-        }
-
-        It "Nomad CLI IPA" {
-            "ipa --version" | Should -ReturnZeroExitCode
-        }
-    }
-
-    It "Fastlane" {
-        "fastlane --version" | Should -ReturnZeroExitCode
-    }
-
-    It "xcpretty" {
-        "xcpretty --version" | Should -ReturnZeroExitCode
-    }
-
-    It "PostgreSQL-Client" {
-        "psql --version" | Should -ReturnZeroExitCode
-    }
-
-    It "PostgreSQL-Server" {
-        "pg_config --version" | Should -ReturnZeroExitCode
-    }
-
-    It "PHP" {
-        Get-WhichTool "php" | Should -Not -BeLike "/usr/bin/php*"
-        "php --version" | Should -ReturnZeroExitCode
-    }
-
-    It "Composer" {
-        "composer --version" | Should -ReturnZeroExitCode
-    }
-}
-
 Describe "Rust" -Skip:($os.IsHighSierra) {
     It "Rustup is installed" {
         "rustup --version" | Should -ReturnZeroExitCode
@@ -243,20 +194,6 @@ Describe "Rust" -Skip:($os.IsHighSierra) {
     }
 }
 
-Describe "Haskell" -Skip:($os.IsHighSierra) {
-    It "GHCup" {
-        "ghcup --version" | Should -ReturnZeroExitCode
-    }
-
-    It "GHC" {
-        "ghc --version" | Should -ReturnZeroExitCode
-    }
-
-    It "Cabal" {
-        "cabal --version" | Should -ReturnZeroExitCode
-    }
-}
-
 Describe "GCC" -Skip:($os.IsHighSierra) {
     $testCases = @("8", "9", "10") | ForEach-Object { @{Version = $_} }
 
@@ -369,9 +306,8 @@ Describe "Stack" -Skip:($os.IsHighSierra) {
     }
 }
 
-Describe "Mongo" {
-    It "mongodb" {
-        "mongo --version" | Should -ReturnZeroExitCode
-        "mongod --version"| Should -ReturnZeroExitCode
+Describe "CocoaPods" {
+    It "CocoaPods" {
+        "pod --version" | Should -ReturnZeroExitCode
     }
 }