correct the github url location for the remote file

Author: stevehu

src/test/java/com/networknt/schema/UriMappingTest.java

@@ -43,7 +43,7 @@ public void testBuilderUriMappingUri() throws IOException {
                 .addUriMappings(getUriMappingsFromUrl(mappings));
         JsonSchemaFactory instance = builder.build();
         JsonSchema schema = instance.getSchema(this.urlFactory.create(
-                "https://raw.githubusercontent.com/networknt/json-schema-validator/master/src/test/resources/tests/uri_mapping/uri-mapping.schema.json"));
+                "https://raw.githubusercontent.com/networknt/json-schema-validator/master/src/test/resources/draft4/uri_mapping/uri-mapping.schema.json"));
         assertEquals(0, schema.validate(mapper.readTree(mappings)).size());
     }
 

src/test/resources/draft4/uri_mapping/uri-mapping.json

@@ -4,7 +4,7 @@
         "localURL": "resource:/draftv4.schema.json" 
     },
     {
-        "publicURL": "https://raw.githubusercontent.com/networknt/json-schema-validator/master/src/test/resources/tests/uri_mapping/uri-mapping.schema.json",
+        "publicURL": "https://raw.githubusercontent.com/networknt/json-schema-validator/master/src/test/resources/draft4/uri_mapping/uri-mapping.schema.json",
         "localURL": "resource:/draft4/uri_mapping/uri-mapping.schema.json"
     }
 ]