Description
Currently, all test suite about `CoalescedPartitionSpec` do not check the data size due to it doesn't contains data size field.
We can add data size in `CoalescedPartitionSpec` and then add test case for better coverage.
Currently, all test suite about `CoalescedPartitionSpec` do not check the data size due to it doesn't contains data size field.
We can add data size in `CoalescedPartitionSpec` and then add test case for better coverage.