NIAD-3304: Fix issue with ordering of originalText when mapping to CD XML

* Add test for an unknown code system.
* SonarCube fix to remove public modifier on test class.
* Fix error in "Medications" test file, where a legacy code contains a space, which is not valid according to the schema.

Author: MartinWheelerMT

service/src/test/java/uk/nhs/adaptors/gp2gp/ehr/mapper/CodeableConceptCdMapperTest.java

@@ -123,6 +123,36 @@ void When_MappingCodeableConceptWithNonSnomedCodeSystems_Expect_ManifestedXmlCon
         assertThat(outputMessageXml).isEqualToIgnoringWhitespace(expectedOutputXml);
     }
 
+    @Test
+    void When_MappingCodeableConceptWithUnknownNonSnomedCodeSystem_Expect_ManifestedXmlDoesNotContainTranslations() {
+        var inputJson = """
+            {
+                "resourceType" : "Observation",
+                "code": {
+                    "coding": [
+                        {
+                            "system": "http://snomed.info/sct",
+                            "code": "123456",
+                            "display": "Endometriosis of uterus"
+                        },
+                        {
+                            "system": "http://unknown.code/systen",
+                            "code": "UNKNOWN01",
+                            "display": "Unknown Code System Display"
+                        }
+                   ]
+                }
+            }""";
+        var expectedOutputXml = """
+            <code code="123456" codeSystem="2.16.840.1.113883.2.1.3.2.4.15" displayName="Endometriosis of uterus">
+            </code>""";
+        var codeableConcept = fhirParseService.parseResource(inputJson, Observation.class).getCode();
+
+        var outputMessageXml = codeableConceptCdMapper.mapCodeableConceptToCd(codeableConcept);
+
+        assertThat(outputMessageXml).isEqualToIgnoringWhitespace(expectedOutputXml);
+    }
+
     @Test
     void When_MapToNullFlavorCodeableConceptForAllergyWithoutSnomedCode_Expect_OriginalTextIsNotPresent() {
         var inputJson = """

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

@@ -10,8 +10,7 @@
 
 import java.util.stream.Stream;
 
-public class CodeSystemUtilTest {
-
+class CodeSystemUtilTest {
     private static Stream<Arguments> knownCodeSystems() {
         return Stream.of(
             Arguments.of("http://snomed.info/sct", "2.16.840.1.113883.2.1.3.2.4.15"),

wiremock/stubs/__files/EMISPatientStructurede2eResponsePWTP3.json

@@ -8817,7 +8817,7 @@
                     "coding": [
                         {
                             "system": "https://fhir.hl7.org.uk/Id/emis-drug-codes",
-                            "code": "CO2 27587NEMIS",
+                            "code": "CO227587NEMIS",
                             "display": "Coloplast Micro-bag two piece ostomy system urostomy bag 14204 40mm (Coloplast Ltd)",
                             "userSelected": true
                         },