All rename function tests fixed

Author: JustinGrote

src/PowerShellEditorServices/Language/AstExtensions.cs

@@ -72,7 +72,7 @@ public static class AstExtensions
 
     public static FunctionDefinitionAst? FindFunctionDefinition(this Ast ast, CommandAst command)
     {
-        string? name = command.GetCommandName().ToLower();
+        string? name = command.GetCommandName()?.ToLower();
         if (name is null) { return null; }
 
         FunctionDefinitionAst[] candidateFuncDefs = ast.FindAll(ast =>

test/PowerShellEditorServices.Test.Shared/Refactoring/Functions/FunctionInnerIsNested.ps1

@@ -1,12 +1,12 @@
 function outer {
     function foo {
-        Write-Host "Inside nested foo"
+        Write-Host 'Inside nested foo'
     }
     foo
 }
 
 function foo {
-    Write-Host "Inside top-level foo"
+    Write-Host 'Inside top-level foo'
 }
 
 outer

test/PowerShellEditorServices.Test.Shared/Refactoring/Functions/FunctionInnerIsNestedRenamed.ps1

@@ -6,7 +6,7 @@ function outer {
 }
 
 function foo {
-    Write-Host "Inside top-level foo"
+    Write-Host 'Inside top-level foo'
 }
 
 outer

test/PowerShellEditorServices.Test.Shared/Refactoring/Functions/RefactorFunctionTestCases.cs

@@ -12,13 +12,13 @@ public class RefactorFunctionTestCases
     [
         new("FunctionCallWIthinStringExpression.ps1",  Line:  1, Column: 10 ),
         new("FunctionCmdlet.ps1",                      Line:  1, Column: 10 ),
-        new("FunctionForeach.ps1",                     Line:  5, Column: 11 ),
-        new("FunctionForeachObject.ps1",               Line:  5, Column: 11 ),
+        new("FunctionForeach.ps1",                     Line: 11, Column:  5 ),
+        new("FunctionForeachObject.ps1",               Line: 11, Column:  5 ),
         new("FunctionInnerIsNested.ps1",               Line:  5, Column:  5 ),
         new("FunctionLoop.ps1",                        Line:  5, Column:  5 ),
         new("FunctionMultipleOccurrences.ps1",         Line:  5, Column:  3 ),
         new("FunctionNestedRedefinition.ps1",          Line: 13, Column: 15 ),
-        new("FunctionOuterHasNestedFunction.ps1",      Line:  2, Column: 15 ),
+        new("FunctionOuterHasNestedFunction.ps1",      Line:  1, Column: 10 ),
         new("FunctionSameName.ps1",                    Line:  3, Column: 14 , "RenamedSameNameFunction"),
         new("FunctionScriptblock.ps1",                 Line:  5, Column:  5 ),
         new("FunctionsSingle.ps1",                     Line:  1, Column: 11 ),