diff --git a/tests/Umbraco.Tests.Integration/DependencyInjection/UmbracoBuilderExtensions.cs b/tests/Umbraco.Tests.Integration/DependencyInjection/UmbracoBuilderExtensions.cs
index 958d328c1b..51445c86e5 100644
--- a/tests/Umbraco.Tests.Integration/DependencyInjection/UmbracoBuilderExtensions.cs
+++ b/tests/Umbraco.Tests.Integration/DependencyInjection/UmbracoBuilderExtensions.cs
@@ -125,18 +125,15 @@ public static class UmbracoBuilderExtensions
 
                 if (!currFolder.Exists)
                 {
-                    currFolder = new DirectoryInfo(Path.GetTempPath());
+                    // When Umbraco.Integration.Tests is installed in a "consumer" Umbraco site, the src/tests path might not be there.
+                    // This replaces the folder reference with an empty folder under temp
+                    // such that the LocalizedTextServiceFileSources don't blow up from directory not found,
+                    // or reading random xml files from the base temp folder.
+                    var tempPath = Path.GetTempPath();
+                    currFolder = new DirectoryInfo(Path.GetFullPath("Umbraco.Integration.Tests.Fake.SrcRoot", tempPath));
+                    currFolder.Create();
                 }
 
-                var uiProject = currFolder.GetDirectories("Umbraco.Web.UI", SearchOption.TopDirectoryOnly).FirstOrDefault();
-                if (uiProject == null)
-                {
-                    uiProject = new DirectoryInfo(Path.Combine(Path.GetTempPath(), "Umbraco.Web.UI"));
-                    uiProject.Create();
-                }
-
-                var mainLangFolder = new DirectoryInfo(Path.Combine(uiProject.FullName, Constants.System.DefaultUmbracoPath.TrimStart(Constants.CharArrays.TildeForwardSlash), "config", "lang"));
-
                 return new LocalizedTextServiceFileSources(
                     loggerFactory.CreateLogger<LocalizedTextServiceFileSources>(),
                     appCaches,