[FLINK-13610][hive]Refactor HiveTableSource Test use sql query and remove HiveInputFormatTest

[zjuwangg]

What is the purpose of the change

Refactor HiveTableSourceTest use sql query and remove HiveInputFormatTest

Brief change log

• change HiveTableSourceTest using sql way instead of table api.
• move hiveintputformattest into HiveTableSourceTest and remove this file
• remove unnecessary test file

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (no)
• The serializers: (no)
• The runtime per-record code paths (performance sensitive): (no)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
• The S3 file system connector: (no)

Documentation

• Does this pull request introduce a new feature? (no)
• If yes, how is the feature documented? (not applicable)

[zjuwangg]

cc @xuefuz @lirui-apache to help review.

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Automated Checks

Last check on commit 5ca9937 (Wed Aug 07 21:55:37 UTC 2019)

Warnings:

• No documentation files were touched! Remember to keep the Flink docs up to date!

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Review Progress

• ❓ 1. The [description] looks good.
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• ❓ 3. Needs [attention] from.
• ❓ 4. The change fits into the overall [architecture].
• ❓ 5. Overall code [quality] is good.

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CI report:

• 5ca9937 : SUCCESS Build

[lirui-apache]

LGTM

[xuefuz]

+1