review changes

Signed-off-by: sphrose <82213493+sphrose@users.noreply.github.com>

Gems/SurfaceData/Code/Tests/SurfaceDataTest.cpp

@@ -23,8 +23,8 @@
 #include <SurfaceDataModule.h>
 #include <SurfaceData/SurfaceDataProviderRequestBus.h>
 #include <SurfaceData/SurfaceDataModifierRequestBus.h>
+#include <SurfaceData/SurfaceTag.h>
 #include <SurfaceData/Utility/SurfaceDataUtility.h>
-#include <Editor/EditorSurfaceDataSystemComponent.h>
 
 struct MockGlobalEnvironment
 {
@@ -281,15 +281,17 @@ public:
 
 TEST_F(SurfaceDataTestApp, SurfaceData_TestRegisteredTags)
 {
+    // Check that only the unassigned tag exists if no other providers are registered.
     AZStd::vector<AZStd::pair<AZ::u32, AZStd::string>> registeredTags = SurfaceData::SurfaceTag::GetRegisteredTags();
 
-    for (const auto& searchTerm : SurfaceData::Constants::s_allTagNames)
-    {
-        ASSERT_TRUE(AZStd::find_if(registeredTags.begin(), registeredTags.end(), [searchTerm](decltype(registeredTags)::value_type pair)
+    const auto& searchTerm = SurfaceData::Constants::s_unassignedTagName;
+
+    ASSERT_TRUE(AZStd::find_if(
+        registeredTags.begin(), registeredTags.end(),
+        [searchTerm](decltype(registeredTags)::value_type pair)
         {
             return pair.second == searchTerm;
         }));
-    }
 }
 
 #if AZ_TRAIT_DISABLE_FAILED_SURFACE_DATA_TESTS