Separate MockTranslatePipe from Unit-test.utils.ts

[mridul-netizen]

Overview

1. This PR fixes or fixes part of #NA.
2. This PR does the following: Separates MockTranslatePipe from unit-test-utils.ts

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• The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
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  • This lets reviewers restart your CircleCI tests for you.
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Design Doc for the changes:

https://docs.google.com/document/d/1eyqjf-pecEatjLsGxQb5DBfCGnTIAjsXl3QViVS1R8c/edit?usp=sharing

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[oppiabot]

Unassigning @DubeySandeep since they have already approved the PR.

[oppiabot]

Unassigning @nithusha21 since they have already approved the PR.

[oppiabot]

Hi @mridul-netizen, the build of this PR is stale and this could result in tests failing in develop. Please update this pull request with the latest changes from develop. Thanks!

[oppiabot]

Unassigning @srijanreddy98 since they have already approved the PR.

[oppiabot]

Hi @mridul-netizen. Due to recent changes in the "develop" branch, this PR now has a merge conflict. Please follow this link if you need help resolving the conflict, so that the PR can be merged. Thanks!

[kevintab95]

LGTM for codeowner files. Thanks @mridul-netizen!