Testing PR (Do not merge)

Author: MartinWheelerMT

service/src/main/java/uk/nhs/adaptors/gp2gp/ehr/mapper/CodeableConceptCdMapper.java

@@ -314,6 +314,7 @@ private List<Coding> getNonSnomedCodeCodings(CodeableConcept codeableConcept) {
         var nonSnomedCodeCodings = codeableConcept.getCoding()
             .stream()
             .filter(coding -> !isSnomed(coding))
+            .filter(coding -> !CodeSystemsUtil.getHl7code(coding.getSystem()).isEmpty())
             .toList();
 
         for (Coding coding : nonSnomedCodeCodings) {

service/src/main/java/uk/nhs/adaptors/gp2gp/ehr/utils/CodeSystemsUtil.java

@@ -16,6 +16,6 @@ public final class CodeSystemsUtil {
     );
 
     public static String getHl7code(String fhirCodeSystem) {
-        return SYSTEM_CODES.getOrDefault(fhirCodeSystem, fhirCodeSystem);
+        return SYSTEM_CODES.getOrDefault(fhirCodeSystem, "");
     }
 }

service/src/test/java/uk/nhs/adaptors/gp2gp/utils/CodeSystemUtilTest.java

@@ -30,9 +30,9 @@ void When_FhirCodeSystemIsKnown_Expect_CorrectHl7Code(String fhirCodeSystem, Str
     }
 
     @Test
-    void When_FhirCodeSystemIsUnknown_Expect_FhirCodeSystemIsProvided() {
+    void When_FhirCodeSystemIsUnknown_Expect_EmptyString() {
         var hl7Code = CodeSystemsUtil.getHl7code("https://unknown.code/system");
 
-        assertThat(hl7Code).isEqualTo("https://unknown.code/system");
+        assertThat(hl7Code).isEmpty();
     }
 }