Fix geo points missing test (#40704)

This commit initializes the geo points for the missing doc values test.

fixes #40684

server/src/test/java/org/elasticsearch/index/fielddata/ScriptDocValuesGeoPointsTests.java

@@ -118,6 +118,9 @@ public class ScriptDocValuesGeoPointsTests extends ESTestCase {
         GeoPoint[][] points = new GeoPoint[between(3, 10)][];
         for (int d = 0; d < points.length; d++) {
             points[d] = new GeoPoint[randomBoolean() ? 0 : between(1, 10)];
+            for (int i = 0; i< points[d].length; i++) {
+                points[d][i] =  new GeoPoint(randomLat(), randomLon());
+            }
         }
         final ScriptDocValues.GeoPoints geoPoints = new GeoPoints(wrap(points));
         for (int d = 0; d < points.length; d++) {