[ENH] Test coverage for TimeCNNNetwork Improved

[lucifer4073]

Reference Issues/PRs

What does this implement/fix? Explain your changes.

Contributes to #2497. Reference PRs #2518.

The given issue improvises the test coverage of TimeCNNNetwork class.

Does your contribution introduce a new dependency? If yes, which one?

No

Any other comments?

No

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I have added the following labels to this PR based on the title: [ $\color{#FEF1BE}{\textsf{enhancement}}$ ].
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[baraline]

Other than comment on testing not None rather than an instance of tf layers, lgtm, I'll let @hadifawaz1999 give it a look for approval.

[hadifawaz1999]

Thanks for this, could you explicity mention "time_cnn" in the test name functions ? also your trick of the "should_raise" in the other PRs, could you also do it here to improve coverage more ? (unless you do it and i didnt see it) thanks

[lucifer4073]

Thanks for this, could you explicity mention "time_cnn" in the test name functions ? also your trick of the "should_raise" in the other PRs, could you also do it here to improve coverage more ? (unless you do it and i didnt see it) thanks

Hi,

I have made the above changes - changing the names to "test_tim_cnn" and checking all the valid error case.

[lucifer4073]

Requested changed implemented.