Jark Wu commented on FLINK-5268:

Hi [~fhueske] , do we have the case that an IT case should run both on 
collection environment and cluster environment ? 

And when should we use cluster environment ?   I think we should add some 
comments to remind developers when to use {{TableProgramsClusterTestBase}} .

> Split TableProgramsTestBase into TableProgramsCollectionTestBase and 
> TableProgramsClusterTestBase
> -------------------------------------------------------------------------------------------------
>                 Key: FLINK-5268
>                 URL: https://issues.apache.org/jira/browse/FLINK-5268
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>    Affects Versions: 1.2.0
>            Reporter: Fabian Hueske
>            Priority: Minor
> Currently the {{TableProgramsTestBase}} allows to run tests on a collection 
> environment and a MiniCluster by setting a testing parameter. This was done 
> to cover different execution path. However, testing on a MiniCluster is quite 
> expensive and should only be done in rare cases.
> I propose to split the {{TableProgramsTestBase}} into 
> * {{TableProgramsCollectionTestBase}} and
> * {{TableProgramsClusterTestBase}}
> to have the separation of both execution backends more clear.

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