String compare for generated shader tests should not care about whitespace (we use platform native when generating so there can be differences between windows / mac)

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Testing/IntegrationTests/ShaderGenerationTest.cs

+using System;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using NUnit.Framework;
             else
             {
                 var textTemplate = File.ReadAllText(textTemplateFilePath);
-                var textsAreEqual = shaderString == textTemplate;
+                var textsAreEqual = string.Compare(shaderString, textTemplate, CultureInfo.CurrentCulture, CompareOptions.IgnoreSymbols);
-                if (!textsAreEqual)
+                if (0 != textsAreEqual)
                 {
                     var failedPath = Path.Combine(rootPath.ToString(), "Failed");
                     Directory.CreateDirectory(failedPath);
                     File.WriteAllText(misMatchLocationResult, shaderString);
                     File.WriteAllText(misMatchLocationTemplate, textTemplate);
                 }
-                Assert.IsTrue(textsAreEqual);
+                Assert.IsTrue(textsAreEqual == 0);
             }
 
             m_Shader = ShaderUtil.CreateShaderAsset(shaderString);