Update JsonConfigurationSource.xml

Author: gewarren

xml/Microsoft.Extensions.Configuration.Json/JsonConfigurationSource.xml

@@ -25,7 +25,7 @@
   </Base>
   <Interfaces />
   <Docs>
-    <summary>
+    <summary>Test
             Represents a JSON file as an <see cref="T:Microsoft.Extensions.Configuration.IConfigurationSource" />.
             </summary>
     <remarks>To be added.</remarks>