Add fhirType() to IBase to bring it in line with what the core structures do

hapi-fhir-base/src/main/java/org/hl7/fhir/instance/model/api/IBase.java

@@ -56,4 +56,9 @@ public interface IBase extends Serializable {
 	 */
 	List<String> getFormatCommentsPost();
 
+	/**
+	 * Returns the FHIR type name for the given element, e.g. "Patient" or "unsignedInt"
+	 */
+	default String fhirType() { return null; }
+
 }

hapi-fhir-jpaserver-subscription/src/test/java/ca/uhn/fhir/jpa/subscription/module/config/TestSubscriptionDstu3Config.java

@@ -20,7 +20,7 @@ public class TestSubscriptionDstu3Config extends SubscriptionDstu3Config {
 
 	@Bean
 	@Primary
-	public ISubscriptionProvider subsriptionProvider() {
+	public ISubscriptionProvider subscriptionProvider() {
 		return new MockFhirClientSubscriptionProvider();
 	}