Finish customer trial E2E tests

What does this MR do and why?

Describe in detail what your merge request does and why. What: Complete Customer trial E2E tests

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MR acceptance checklist

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changed milestone to %15.3

added qaautomation + 1 deleted label

requested review from @chaomao and @tianlu1677

assigned to @TomHeng

added QA label

	4 Warnings
	This merge request includes more than 10 commits. Each commit should meet the following criteria: Have a well-written commit message. Has all tests passing when used on its own (e.g. when using git checkout SHA). Can be reverted on its own without also requiring the revert of commit that came before it. Is small enough that it can be reviewed in isolation in under 30 minutes or so. If this merge request contains commits that do not meet this criteria and/or contains intermediate work, please rebase these commits into a smaller number of commits or split this merge request into multiple smaller merge requests.
	f5ffc4b0: The commit subject must contain at least 3 words. For more information, take a look at our Commit message guidelines.
	48daff4b: The commit subject must contain at least 3 words. For more information, take a look at our Commit message guidelines.
	Please add a merge request subtype to this merge request.

	1 Message
	CHANGELOG missing: If you want to create a changelog entry for GitLab FOSS, add the Changelog trailer to the commit message you want to add to the changelog. If you want to create a changelog entry for GitLab EE, also add the EE: true trailer to your commit message. If this merge request doesn't need a CHANGELOG entry, feel free to ignore this message.

Reviewer roulette

Changes that require review have been detected!

Please refer to the table below for assigning reviewers and maintainers suggested by Danger in the specified category:

Category	Reviewer	Maintainer
QA	Vincy Wilson (@vincywilson) (UTC-4)	Chloe Liu (@chloeliu) (UTC-7)

To spread load more evenly across eligible reviewers, Danger has picked a candidate for each review slot, based on their timezone. Feel free to override these selections if you think someone else would be better-suited or use the GitLab Review Workload Dashboard to find other available reviewers.

To read more on how to use the reviewer roulette, please take a look at the Engineering workflow and code review guidelines. Please consider assigning a reviewer or maintainer who is a domain expert in the area of the merge request.

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Generated by Danger

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• b8c4aca5 - Remove .gitingore change

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• 55440ddb - Change directory name and add testcase path

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• 73754e03 - Change directory name and add testcase path

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• 37585623 - Fix rubocop error

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added QA label

resolved all threads