[Ubuntu] Migrate tests for common tools to Pester (part 3) (#2337)

* add test for Git

* Add Heroku

* Add hhvm

* Add Homebrew

* Add Julia

* Add kind

* Add Kubernetes Tools

* Remove kind and homebrew validate

* replace capital letter

* Add Leiningen

* add source to Leiningen

* Add Mercurial

* Add conda

* Add Netlify

* Add packer

* Add pollinate

* Add Pulumi

* Add Phantomjs

* Add Haveged

* Fix for kubectl

* Fix julia installation

* Add installer_script_folder env variable to run tests in brew provisioner

* Add delay after reboot

* Adjust pause settings

images/linux/scripts/installers/homebrew.sh

@@ -7,6 +7,7 @@
 
 # Source the helpers
 source $HELPER_SCRIPTS/etc-environment.sh
+source $HELPER_SCRIPTS/invoke-tests.sh
 
 # Install the Homebrew on Linux
 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
@@ -23,7 +24,4 @@ prependEtcEnvironmentPath "$brew_path"
 echo "Validate the installation reloading /etc/environment"
 reloadEtcEnvironment
 
-if ! command -v brew; then
-    echo "brew was not installed"
-    exit 1
-fi
+invoke_tests "Tools" "Homebrew"