create tests for resolvers

src/test/resources/examples/resolving/withRemote.xsd

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<schema xmlns:context="http://www.springframework.org/schema/context" xmlns="http://www.w3.org/2001/XMLSchema"
+        targetNamespace="http://www.example.org/main"
+        elementFormDefault="qualified">
+
+    <import namespace="http://www.springframework.org/schema/context"
+            schemaLocation="http://www.springframework.org/schema/context/spring-context.xsd" />
+
+    <complexType name="MainType">
+        <sequence>
+            <element name="context" type="context:propertyLoading"></element>
+        </sequence>
+    </complexType>
+</schema>