Update with default value to avoid build fail and add comment

indexer/src/main/java/au/org/aodn/esindexer/utils/GeometryUtils.java

@@ -41,7 +41,7 @@ public enum PointOrientation {
     // if we do not preserve this, we will result polygon rejected by elastic due to not having 3 non-collinear
     // points after rounding by the GeometryJson
     protected static GeometryJSON geometryJson = new GeometryJSON(15);
-
+    // A value based on trial and error, this is a default value and user can override it with the yaml file
     @Getter
     @Setter
     protected static double coastalPrecision = 0.1;

indexer/src/test/java/au/org/aodn/esindexer/service/StacCollectionMapperServiceTest.java

@@ -19,6 +19,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.json.JSONException;
 import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
@@ -78,6 +79,11 @@ public class StacCollectionMapperServiceTest {
 
     protected IndexerServiceImpl indexerService;
 
+    @BeforeAll
+    public static void preSetup() {
+        GeometryUtils.setCoastalPrecision(0.05);
+    }
+
     protected void verify(String expected) throws JsonProcessingException, JSONException {
         Map<?,?> content = objectMapper.readValue(lastRequest.get().document().toString(), Map.class);
         String out = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(content);