Backport test fix wrt #52

Author: Tatu Saloranta

eclipse-collections/src/test/java/com/fasterxml/jackson/datatype/eclipsecollections/DeserializerTest.java

@@ -645,7 +645,7 @@ public void pairTyped() throws Exception {
         final String actJson = mapper.writerFor(new TypeReference<ObjectIntPair<A>>() {})
                 .writeValueAsString(pair);
         String expJson = "{\"one\":{\"@c\":\".DeserializerTest$B\"},\"two\":5}";
-        Assert.assertEquals(expJson, actJson);
+        Assert.assertEquals(mapper.readTree(expJson), mapper.readTree(actJson));
         Assert.assertEquals(pair,
                 mapper.readValue(actJson, new TypeReference<ObjectIntPair<A>>() {})
         );