UseConsistentWhitespace: Fix CheckParameter bug when using interpolated string (#1498)

Author: bergmeister

Rules/UseConsistentWhitespace.cs

@@ -390,7 +390,8 @@ private IEnumerable<DiagnosticRecord> FindParameterViolations(Ast ast)
                     testAst => testAst is CommandAst, true);
             foreach (CommandAst commandAst in commandAsts)
             {
-                List<Ast> commandParameterAstElements = commandAst.FindAll(testAst => true, searchNestedScriptBlocks: false).ToList();
+                List<Ast> commandParameterAstElements = commandAst.FindAll(
+                    testAst => testAst.Parent == commandAst, searchNestedScriptBlocks: false).ToList();
                 for (int i = 0; i < commandParameterAstElements.Count - 1; i++)
                 {
                     IScriptExtent leftExtent = commandParameterAstElements[i].Extent;

Tests/Rules/UseConsistentWhitespace.tests.ps1

@@ -474,11 +474,11 @@ bar -h i `
         }
 
         It "Should fix script to always have 1 space between parameters except when using colon syntax but not by default" {
-            $def = 'foo  -bar   $baz  -ParameterName:  $ParameterValue'
+            $def = 'foo  -bar   $baz  -ParameterName:  $ParameterValue "$PSScriptRoot\module.psd1"'
             Invoke-Formatter -ScriptDefinition $def |
                 Should -BeExactly $def -Because 'CheckParameter configuration is not turned on by default (yet) as the setting is new'
             Invoke-Formatter -ScriptDefinition $def -Settings $settings |
-                Should -BeExactly 'foo -bar $baz -ParameterName:  $ParameterValue'
+                Should -BeExactly 'foo -bar $baz -ParameterName:  $ParameterValue "$PSScriptRoot\module.psd1"'
         }
 
         It "Should fix script when newlines are involved" {