Use $HOME instead of ~ in PATH env variable

Signed-off-by: Jose Blanquicet <josebl@microsoft.com>

Author: blanquicet

linux/tools.Dockerfile

@@ -69,7 +69,7 @@ RUN ln -s /usr/bin/node /usr/bin/nodejs
 # Add user's home directories to PATH at the front so they can install tools which
 # override defaults
 # Add dotnet tools to PATH so users can install a tool using dotnet tools and can execute that command from any directory
-ENV PATH ~/.local/bin:~/bin:~/.dotnet/tools:$PATH
+ENV PATH '$HOME/.local/bin:$HOME/bin:$HOME/.dotnet/tools':$PATH
 
 # Set AZUREPS_HOST_ENVIRONMENT
 ENV AZUREPS_HOST_ENVIRONMENT cloud-shell/1.0

tests/PSinLinuxCloudShellImage.Tests.ps1

@@ -74,8 +74,8 @@ Describe "Various programs installed with expected versions" {
 
     It "has local paths in `$PATH" {
         $paths = ($env:PATH).split(":")
-        $paths | Should -Contain "~/bin"
-        $paths | Should -Contain "~/.local/bin"
+        $paths | Should -Contain '$HOME/bin'
+        $paths | Should -Contain '$HOME/.local/bin'
     }
 
     It "Ansible pwsh has modules" {