SLING-11538 add test content for display context "jsonString" (#7)

diff --git a/src/main/java/org/apache/sling/scripting/sightly/testing/models/FaqModel.java b/src/main/java/org/apache/sling/scripting/sightly/testing/models/FaqModel.java
new file mode 100644
index 0000000..f146194
--- /dev/null
+++ b/src/main/java/org/apache/sling/scripting/sightly/testing/models/FaqModel.java
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+package org.apache.sling.scripting.sightly.testing.models;
+
+import org.apache.sling.api.resource.Resource;
+import org.apache.sling.models.annotations.Model;
+
+@Model(adaptables = Resource.class)
+public class FaqModel {
+
+   
+    public String getQuestion() {
+        return "Some question with special character \"\':\t"; // some invalid characters in JSON
+    }
+
+    public String getAnswer() {
+        return "42";
+    }
+
+}
diff --git a/src/main/java/org/apache/sling/scripting/sightly/testing/models/package-info.java b/src/main/java/org/apache/sling/scripting/sightly/testing/models/package-info.java
index f9048a2..53661e9 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/testing/models/package-info.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/testing/models/package-info.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  ******************************************************************************/
 
-@Version("1.4.0")
+@Version("1.5.0")
 package org.apache.sling.scripting.sightly.testing.models;
 
 import org.osgi.annotation.versioning.Version;
diff --git a/src/main/resources/SLING-INF/apps/sightly/scripts/xss/xss.html b/src/main/resources/SLING-INF/apps/sightly/scripts/xss/xss.html
new file mode 100644
index 0000000..1a77773
--- /dev/null
+++ b/src/main/resources/SLING-INF/apps/sightly/scripts/xss/xss.html
@@ -0,0 +1,40 @@
+<!--/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  ~ Licensed to the Apache Software Foundation (ASF) under one or more
+  ~ contributor license agreements.  See the NOTICE file distributed with
+  ~ this work for additional information regarding copyright ownership.
+  ~ The ASF licenses this file to You under the Apache License, Version 2.0
+  ~ (the "License"); you may not use this file except in compliance with
+  ~ the License.  You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/-->
+<html data-sly-use.faq="org.apache.sling.scripting.sightly.testing.models.FaqModel">
+<head>
+<!-- follows schema from https://developers.google.com/search/docs/appearance/structured-data/faqpage -->
+<script type="application/ld+json">{
+  "@context":"https://schema.org",
+  "@type":"FAQPage",
+  "mainEntity":[
+    {
+      "@type":"Question",
+      "name":"${faq.question @ context='jsonString'}"
+      "acceptedAnswer":{
+        "@type":"Answer",
+        "text":"${faq.answer @ context='jsonString'}"
+      }
+    }
+  ]
+}
+</script>
+</head>
+<body>
+  <h1>Question: ${faq.question}</h1>
+  <p>${faq.answer}</p>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/SLING-INF/content/sightly.json b/src/main/resources/SLING-INF/content/sightly.json
index fbab8f4..5f89ad2 100644
--- a/src/main/resources/SLING-INF/content/sightly.json
+++ b/src/main/resources/SLING-INF/content/sightly.json
@@ -79,6 +79,10 @@
     "inherit": {
         "jcr:primaryType": "nt:unstructured",
         "sling:resourceType": "sightly/scripts/inherit"
+    },
+    "xss": {
+        "jcr:primaryType": "nt:unstructured",
+        "sling:resourceType" : "/apps/sightly/scripts/xss"
     }
 
 }