adding test case for showing html entities are processed

vector/src/androidTest/java/im/vector/app/features/html/EventHtmlRendererTest.kt

@@ -71,5 +71,12 @@ class EventHtmlRendererTest {
         result shouldBeEqualTo "[code][italic]italic[/italic] [bold]bold[/bold][/code]"
     }
 
+    @Test
+    fun processesHtmlEntities() {
+        val result = """& < > ' """".renderAsTestSpan()
+
+        result shouldBeEqualTo """& < > ' """"
+    }
+
     private fun String.renderAsTestSpan() = renderer.render(this).toSpannable().toTestSpan()
 }