Elastic search EOL version upgrade

indexer-core/src/test/java/org/opengroup/osdu/indexer/service/IndexerMappingServiceTest.java

@@ -102,6 +102,7 @@ public class IndexerMappingServiceTest {
 
         when(this.elasticIndexNameResolver.getIndexNameFromKind(kind)).thenReturn(index);
         when(this.restHighLevelClient.indices()).thenReturn(indicesClient);
+        when(this.statusLine.getStatusCode()).thenReturn(200);
     }
 
     private Map<String, Object> getMetaAttributeMapping() {
@@ -128,7 +129,6 @@ public class IndexerMappingServiceTest {
 
     @Test
     public void should_returnValidMapping_givenFalseMerge_createMappingTest() throws IOException {
-        when(this.indicesClient.exists((GetIndexRequest) any(),any())).thenReturn(true);
         try {
             String mapping = this.sut.createMapping(restHighLevelClient, indexSchema, index, false);
             assertEquals(validMapping, mapping);