Intent of TestIsEmpty

All 11 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 11 tests
- server/ 11 tests
  - service/ 11 tests
    
    history/ 11 tests
    
    queues/ 11 tests
    
    TestIteratorSuite/ 2 tests
    
    go.temporal.io/server/service/history/queues/TestIteratorSuite/TestCanMerge Inherited TestCanMerge
    
    go.temporal.io/server/service/history/queues/TestIteratorSuite/TestCanSplit Inherited TestCanSplit
    
    TestRangeSuite/ 4 tests
    
    go.temporal.io/server/service/history/queues/TestRangeSuite/TestCanMerge Inherited TestCanMerge
    
    go.temporal.io/server/service/history/queues/TestRangeSuite/TestContainsKey_NonEmptyRange Inherited TestContainsKey_NonEmptyRange
    
    go.temporal.io/server/service/history/queues/TestRangeSuite/TestContainsRange_NonEmptyRange Inherited TestContainsRange_NonEmptyRange
    
    go.temporal.io/server/service/history/queues/TestRangeSuite/TestIsEmpty Introduced here
    
    TestScopeSuite/ 2 tests
    
    go.temporal.io/server/service/history/queues/TestScopeSuite/TestCanMergeByRange Inherited TestCanMergeByRange
    
    go.temporal.io/server/service/history/queues/TestScopeSuite/TestCanSplitByRange Inherited TestCanSplitByRange
    
    TestSliceSuite/ 2 tests
    
    go.temporal.io/server/service/history/queues/TestSliceSuite/TestCanMergeWithSlice Inherited TestCanMergeWithSlice
    
    go.temporal.io/server/service/history/queues/TestSliceSuite/TestCanSplitByRange Inherited TestCanSplitByRange
    
    go.temporal.io/server/service/history/queues/TestIsTaskAcked Inherited util.go ×2