chore(react-storage): update search e2e to use only test files, combine test cases

[jordanvn]

Description of changes

• Combine tests cases in search e2e to reduce test time while retaining coverage
• Change files used to ensure only files marked for non-deletion are used

Issue #, if available

Description of how you validated changes

Checklist

• Have read the Pull Request Guidelines
• PR description included
• yarn test passes and tests are updated/added
• PR title and commit messages follow conventional commit syntax
• If this change should result in a version bump, changeset added (This can be done after creating the PR.) This does not apply to changes made to docs, e2e, examples, or other private packages.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.