Wrap Import-Yaml tests in module-level describe

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

tests/Import-Yaml.Tests.ps1

@@ -15,7 +15,8 @@ BeforeAll {
     . (Join-Path $PSScriptRoot 'TestBootstrap.ps1')
 }
 
-Describe 'Import-Yaml' {
+Describe 'Yaml' {
+    Describe 'Import-Yaml' {
     Context 'Command contract' {
         It 'declares the Path and LiteralPath parameter sets' {
             $command = Get-Command -Name Import-Yaml
@@ -38,6 +39,7 @@ Describe 'Import-Yaml' {
             $command.Parameters['LiteralPath'].Aliases | Should -Contain 'PSPath'
             $command.Parameters['LiteralPath'].Aliases | Should -Contain 'FullName'
             $command.OutputType.Type | Should -Contain ([object])
+            }
         }
 
         It 'provides complete command help' {