[Hudi] Disable a flaky UniForm Hudi unit test (#3854)

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#### Which Delta project/connector is this regarding?
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- [ ] Standalone
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## Description
Disable a flaky UniForm Hudi Unit test
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## How was this patch tested?
Change to UT
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No
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hudi/src/test/scala/org/apache/spark/sql/delta/hudi/ConvertToHudiSuite.scala

@@ -339,8 +339,12 @@ trait ConvertToHudiTestBase extends HudiTestBase {
         assert(metaClient.getActiveTimeline.getCleanerTimeline.countInstants() == 1,
           "Cleaner timeline should have 1 instant")
         // Older commits should move from active to archive timeline
+        // TODO Fix the flaky tests
+        /*
         assert(metaClient.getArchivedTimeline.getCommitsTimeline.filterInflights.countInstants == 2,
           "Archived timeline should have 2 instants")
+
+         */
       })
     }
   }