diff --git a/tests/pester-tests/powershell-commands/Get-EnvironmentVariable.Tests.ps1 b/tests/pester-tests/powershell-commands/Get-EnvironmentVariable.Tests.ps1
index f145b26261..0e6c58f98f 100644
--- a/tests/pester-tests/powershell-commands/Get-EnvironmentVariable.Tests.ps1
+++ b/tests/pester-tests/powershell-commands/Get-EnvironmentVariable.Tests.ps1
@@ -22,10 +22,18 @@ Describe 'Get-EnvironmentVariable helper function tests' -Tags Cmdlets {
     }
 
     Context 'Can retrieve the PATH variable without expanding environment names for the Machine scope' {
+        BeforeAll {
+            Install-ChocolateyPath -Path "%systemroot%\test" -PathType Machine
+        }
+
+        AfterAll {
+            Uninstall-ChocolateyPath -Path "%systemroot%\test" -PathType Machine
+        }
+
         It 'Retrieves the Machine PATH value with un-expanded environment names' {
             # We expect there to be an entry similar to the following: "%SystemRoot%\system32", since this
             # is there by default in a Windows install
-            Get-EnvironmentVariable -Name 'PATH' -Scope 'Machine' | Should -Match '%[^%;\\]+%'
+            Get-EnvironmentVariable -Name 'PATH' -Scope 'Machine' -PreserveVariables | Should -Match '%systemroot%\\test'
         }
     }
 }
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diff --git a/tests/pester-tests/powershell-commands/Set-EnvironmentVariable.Tests.ps1 b/tests/pester-tests/powershell-commands/Set-EnvironmentVariable.Tests.ps1
index 5b1a9bc840..7e67ca9e2a 100644
--- a/tests/pester-tests/powershell-commands/Set-EnvironmentVariable.Tests.ps1
+++ b/tests/pester-tests/powershell-commands/Set-EnvironmentVariable.Tests.ps1
@@ -20,17 +20,21 @@ Describe 'Set-EnvironmentVariable helper function tests' -Tags Cmdlets {
         }
 
         Describe 'Setting environment variable <Name>' -ForEach $variables {
-            It 'Sets the target environment variable in the proper scope, as well as current process scope' {
+            BeforeAll {
                 Set-EnvironmentVariable -Name $Name -Value $Value -Scope $Scope
-                [Environment]::GetEnvironmentVariable($Name, $Scope) | Should -BeExactly $Value
-
-                # We are explicitly checking the Process variable here.
-                [Environment]::GetEnvironmentVariable($Name, 'Process') | Should -BeExactly $Value
             }
             
             AfterAll {
                 Set-EnvironmentVariable -Name $Name -Value "" -Scope $Scope
             }
+
+            It 'sets the target environment variable in the proper scope' {
+                [Environment]::GetEnvironmentVariable($Name, $Scope) | Should -BeExactly $Value
+            }
+
+            It 'propagates the change to the current process' {
+                Get-Content "Env:\$Name" | Should -BeExactly $Value
+            }
         }
     }
 }
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diff --git a/tests/pester-tests/powershell-commands/Update-SessionEnvironment.Tests.ps1 b/tests/pester-tests/powershell-commands/Update-SessionEnvironment.Tests.ps1
index 742bc3da5f..9f8bcccbc6 100644
--- a/tests/pester-tests/powershell-commands/Update-SessionEnvironment.Tests.ps1
+++ b/tests/pester-tests/powershell-commands/Update-SessionEnvironment.Tests.ps1
@@ -17,12 +17,13 @@
             Update-SessionEnvironment
             $env:Test | Should -BeExactly 'user-value'
             $env:Test2 | Should -BeExactly 'machine-value'
-            $env:Test3 | Should -BeNullOrEmpty -Because 'Process-only values should not be preserved'
+            $env:Test3 | Should -BeExactly 'process-value'
         }
 
         AfterAll {
             [Environment]::SetEnvironmentVariable("Test", [string]::Empty, "User")
             [Environment]::SetEnvironmentVariable("Test2", [string]::Empty, "Machine")
+            $env:Test3 = ''
         }
     }
 }
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