Add test for insertBefore

core/tests/regression_tests.rs

@@ -115,6 +115,7 @@ swf_tests! {
     (xml_attributes_read, "avm1/xml_attributes_read", 1),
     (xml_append_child, "avm1/xml_append_child", 1),
     (xml_remove_node, "avm1/xml_remove_node", 1),
+    (xml_insert_before, "avm1/xml_insert_before", 1),
 }
 
 #[test]

core/tests/swfs/avm1/xml_insert_before/output.txt

@@ -0,0 +1,20 @@
+true
+null
+true
+true
+null
+true
+Swapping nodes...
+true
+null
+true
+true
+null
+true
+Failing to swap nodes...
+true
+null
+true
+true
+null
+true