Set the has_more field to null

Author: gkiko10

databricks-sdk-java/src/main/java/com/databricks/sdk/mixin/JobsExt.java

@@ -52,8 +52,10 @@ public BaseRun next() {
               run.setJobParameters(fullRun.getJobParameters());
               run.setRepairHistory(fullRun.getRepairHistory());
             }
-            // Set the has_more field to false to indicate that there are no more tasks and other fields to fetch.
-            run.setHasMore(false);
+            // Set the has_more fields to null.
+            // This field in Jobs API 2.2 is useful for pagination. It indicates if there are more than 100 tasks or job_clusters in the run.
+            // This function hides pagination details from the user. So the field does not play useful role here.
+            run.setHasMore(null);
             return run;
           }
         };

databricks-sdk-java/src/test/java/com/databricks/sdk/mixin/JobsExtTest.java

@@ -358,13 +358,13 @@ public void testListRuns() {
     ListRunsRequest request = new ListRunsRequest().setExpandTasks(true);
     Iterable<BaseRun> runsList = jobsExt.listRuns(request);
 
-    BaseRun expectedRun1 = new BaseRun().setRunId(100L).setJobId(1L).setHasMore(false);
+    BaseRun expectedRun1 = new BaseRun().setRunId(100L).setJobId(1L);
     addTasks(expectedRun1, 101L, 102L, 103L, 104L, 105L);
-    BaseRun expectedRun2 = new BaseRun().setRunId(200L).setJobId(2L).setHasMore(false);
+    BaseRun expectedRun2 = new BaseRun().setRunId(200L).setJobId(2L);
     addTasks(expectedRun2, 201L, 202L, 203L);
-    BaseRun expectedRun3 = new BaseRun().setRunId(300L).setJobId(3L).setHasMore(false);
+    BaseRun expectedRun3 = new BaseRun().setRunId(300L).setJobId(3L);
     addTasks(expectedRun3, 301L);
-    BaseRun expectedRun4 = new BaseRun().setRunId(400L).setJobId(4L).setHasMore(false);
+    BaseRun expectedRun4 = new BaseRun().setRunId(400L).setJobId(4L);
     addTasks(expectedRun4, 401L, 402L, 403L, 404L);
     List<BaseRun> expectedRunsList = new ArrayList<>();
     expectedRunsList.add(expectedRun1);