Fix incorrect test from PR 1014

[sodabrew]

Description

PR #1014 used the test response from a different API call. The response has the same structure so it wasn't noticed by the test harness. Add a complete response parse test this time around.

Has your change been tested?

go test . works.

Screenshots (if appropriate):

Types of changes

What sort of change does your code introduce/modify?

• Nit fix (non-breaking change which fixes a non-issue :)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• This change is using publicly documented (api.cloudflare.com or developers.cloudflare.com) and stable APIs.

[github-actions]

changelog detected ✅

[codecov-commenter]

Codecov Report

Merging #1048 (d0dc580) into master (6c5ea4a) will increase coverage by 0.67%.
The diff coverage is 62.85%.

@@            Coverage Diff             @@
##           master    #1048      +/-   ##
==========================================
+ Coverage   49.06%   49.73%   +0.67%     
==========================================
  Files         108      115       +7     
  Lines       10428    10977     +549     
==========================================
+ Hits         5116     5459     +343     
- Misses       4200     4351     +151     
- Partials     1112     1167      +55     

Impacted Files	Coverage Δ
access_application.go	76.52% <ø> (ø)
access_bookmark.go	72.44% <ø> (ø)
workers_account_settings.go	35.71% <35.71%> (ø)
rulesets.go	35.09% <47.36%> (+7.43%)	⬆️
workers_tail.go	52.00% <52.00%> (ø)
workers_subdomain.go	57.14% <57.14%> (ø)
email_routing_settings.go	60.00% <60.00%> (ø)
email_routing_rules.go	65.64% <65.64%> (ø)
lockdown.go	57.69% <66.00%> (+6.94%)	⬆️
email_routing_destination.go	66.25% <66.25%> (ø)
... and 11 more

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[github-actions]

This functionality has been released in v0.47.0.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!