[Reporting/Tests] Unskip "Download reports" test

[tsullivan]

Closes #195144

The flaky test in question uses the default test login account for functional tests. I have moved it to the first test in the configuration to avoid having to re-login.

Other changes:

• Reduced the size of the archived_reports archive by shortening the field values for output.content and payload.headers. These field values where long strings of text and aren't used for anything in tests.
• Changed some report job titles in the archived_reports archive to make the tests easier to read and verify.

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 2664a99

Metrics [docs]

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
@kbn/test-suites-xpack	729	730	+1

Total ESLint disabled count

id	before	after	diff
@kbn/test-suites-xpack	754	755	+1

History

• 💔 Build #242899 failed 29102ca
• 💔 Build #242884 failed 29102ca
• 💔 Build #240925 failed f434cab16a82e05575d2c7bedbfaac2abef7ae65

[tsullivan]

Flaky test run x100: https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/7153

[kibanamachine]

Flaky Test Runner Stats

🎉 All tests passed! - kibana-flaky-test-suite-runner#7153

[✅] x-pack/test/reporting_functional/reporting_and_security.config.ts: 100/100 tests passed.

see run history