possible fix for failing tests

Author: bryanbcook

src/tests/Set-BloggerConfig.Tests.ps1

@@ -2,24 +2,28 @@
 Describe "Set-BloggerConfig" {
   BeforeEach {
     Import-Module $PSScriptRoot\..\PSBlogger.psm1 -Force
+    
+    # Ensure the test has a clean BloggerSession variable
     InModuleScope "PSBlogger" {
+      # Remove the existing variable if it exists
+      if (Get-Variable -Name BloggerSession -Scope Script -ErrorAction SilentlyContinue) {
+        Remove-Variable -Name BloggerSession -Scope Script -Force
+      }
+      
+      # Create a new test-specific BloggerSession
       $BloggerSession = [pscustomobject]@{
         BlogId = $null
         UserPreferences = "TestDrive:\UserPreferences.json"
       }
+      
+      # Set it as a script-scoped variable (same as the module does)
+      New-Variable -Name BloggerSession -Value $BloggerSession -Scope Script -Force
     }
   }
 
   It "Should persist new value to <UserPreference> to BloggerSession.UserPreferences" -TestCases @(
     @{ UserPreference="BlogId"; UserPreferenceValue="12345" }
   ) {
-    # arrange
-    InModuleScope "PSBlogger" {
-      $BloggerSession = [pscustomobject]@{
-        BlogId = $null
-        UserPreferences = "TestDrive:\UserPreferences.json"
-      }
-    }
 
     # act
     Set-BloggerConfig -Name $UserPreference -Value $UserPreferenceValue -ErrorAction Stop