More integration tests on ISO Date time format

[souravroy]

No description provided.

[souravroy]

Raised following PR:
#825

[thadguidry]

@souravroy you don't have to manually type the link... instead use the GitHub short keywords syntax in a PR description or commit message (the title or comment) using one of the following formats:
fixes #823
closes #823
etc.

See details here: https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue
You can go to your PR and edit the title or the first comment and it will autolink the PR to this Issue.

[souravroy]

@souravroy you don't have to manually type the link... instead use the GitHub short keywords syntax in a PR description or commit message (the title or comment) using one of the following formats: fixes #823 closes #823 etc.

See details here: https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue You can go to your PR and edit the title or the first comment and it will autolink the PR to this Issue.

Thank you @thadguidry . This's really useful, I'll follow the instructions in my next PR

[souravroy]

closed #825