Ignore namespace differences during SVG comparison (apache#3680)

Author: martinweiler

kogito-test-utils/src/main/java/org/kie/kogito/test/utils/CustomSVGDiffer.java

@@ -21,6 +21,7 @@
 import org.xmlunit.builder.DiffBuilder;
 import org.xmlunit.builder.Input;
 import org.xmlunit.diff.ComparisonResult;
+import org.xmlunit.diff.ComparisonType;
 import org.xmlunit.diff.Diff;
 import org.xmlunit.diff.DifferenceEvaluators;
 
@@ -41,6 +42,9 @@ public CustomSVGDiffer(String content) {
                             if (comparison.getControlDetails().getTarget().getNodeName().equals("svg")) {
                                 return ComparisonResult.SIMILAR;
                             }
+                            if (comparison.getType() == ComparisonType.NAMESPACE_URI) {
+                                return ComparisonResult.SIMILAR;
+                            }
                             return outcome;
                         }));
     }