diff --git a/org.hl7.fhir.dstu3/src/test/java/org/hl7/fhir/dstu3/test/JsonParserTestCase.java b/org.hl7.fhir.dstu3/src/test/java/org/hl7/fhir/dstu3/test/JsonParserTestCase.java
index d640303ad..dc3ee6854 100644
--- a/org.hl7.fhir.dstu3/src/test/java/org/hl7/fhir/dstu3/test/JsonParserTestCase.java
+++ b/org.hl7.fhir.dstu3/src/test/java/org/hl7/fhir/dstu3/test/JsonParserTestCase.java
@@ -1,7 +1,5 @@
 package org.hl7.fhir.dstu3.test;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 import java.io.IOException;
 
 import org.hl7.fhir.dstu3.formats.JsonParser;
@@ -13,8 +11,17 @@ import org.junit.jupiter.api.Test;
 class JsonParserTestCase {
 
   @Test
-  void test() throws FHIRFormatError, IOException {
+  void testParseJsonNull() throws FHIRFormatError, IOException {
     Resource r = new JsonParser().parse(TestingUtilities.loadTestResourceStream("r3", "activitydefinition-referralprimarycarementalhealth.json"));
   }
 
+  @Test
+  void testComposeAndParseWithOriginal() throws FHIRFormatError, IOException {
+    JsonParser jsonParser = new JsonParser();
+    Resource resource = jsonParser.parse(TestingUtilities.loadTestResourceStream("r3",
+        "activitydefinition-referralprimarycarementalhealth-original.json"));
+    String composed = jsonParser.composeString(resource);
+    jsonParser.parse(composed);
+  }
+
 }