test: retry app creation on failure

[sadlerap]

Changes

This was causing test failures in CI.

/kind bug

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• [x] Docs included if any changes are user facing
• [x] Tests included if any functionality added or changed. For bugfixes please include tests that can catch regressions
• [x] All acceptance test scenarios included in the PR which verifies a bugfix or a requested feature reported by a non-member are tagged with @external-feedback tag.
• [x] Follows the commit message standard

[codecov[bot]]

Codecov Report

Merging #1488 (f198729) into master (39908ed) will not change coverage. The diff coverage is n/a.

Additional details and impacted files

[](https://app.codecov.io/gh/redhat-developer/service-binding-operator/pull/1488?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer) ```diff @@ Coverage Diff @@ ## master #1488 +/- ## ======================================= Coverage 58.16% 58.16% ======================================= Files 35 35 Lines 3014 3014 ======================================= Hits 1753 1753 Misses 1093 1093 Partials 168 168 ``` ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/redhat-developer/service-binding-operator/pull/1488?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/redhat-developer/service-binding-operator/pull/1488?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer). Last update [39908ed...f198729](https://app.codecov.io/gh/redhat-developer/service-binding-operator/pull/1488?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=redhat-developer).

[baijum]

/lgtm /approve

[openshift-ci[bot]]

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