[8.7] [Flaky Test] Unskips 'single-namespace types' copy to space tes…

…ts (#150492) (#150724)

# Backport

This will backport the following commits from `main` to `8.7`:
- [[Flaky Test] Unskips 'single-namespace types' copy to space tests
(#150492)](#150492)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Jeramy
Soucy","email":"jeramy.soucy@elastic.co"},"sourceCommit":{"committedDate":"2023-02-09T15:00:02Z","message":"[Flaky
Test] Unskips 'single-namespace types' copy to space tests
(#150492)\n\ncloses #86545\r\ncloses #149544\r\ncloses #149547\r\ncloses
#149563 \r\n\r\nFixed by PR #149582\r\n\r\n- [Flaky test runner
on\r\nx-pack/test/spaces_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1880)\r\n-
[Flaky test runner
on\r\nx-pack/test/saved_object_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1888)","sha":"c0c023aaa6bf977a8a7a357998d612f04ea2f024","branchLabelMapping":{"^v8.8.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Security","release_note:skip","test-failure-flaky","v8.7.0","v8.8.0"],"number":150492,"url":"https://github.com/elastic/kibana/pull/150492","mergeCommit":{"message":"[Flaky
Test] Unskips 'single-namespace types' copy to space tests
(#150492)\n\ncloses #86545\r\ncloses #149544\r\ncloses #149547\r\ncloses
#149563 \r\n\r\nFixed by PR #149582\r\n\r\n- [Flaky test runner
on\r\nx-pack/test/spaces_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1880)\r\n-
[Flaky test runner
on\r\nx-pack/test/saved_object_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1888)","sha":"c0c023aaa6bf977a8a7a357998d612f04ea2f024"}},"sourceBranch":"main","suggestedTargetBranches":["8.7"],"targetPullRequestStates":[{"branch":"8.7","label":"v8.7.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.8.0","labelRegex":"^v8.8.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/150492","number":150492,"mergeCommit":{"message":"[Flaky
Test] Unskips 'single-namespace types' copy to space tests
(#150492)\n\ncloses #86545\r\ncloses #149544\r\ncloses #149547\r\ncloses
#149563 \r\n\r\nFixed by PR #149582\r\n\r\n- [Flaky test runner
on\r\nx-pack/test/spaces_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1880)\r\n-
[Flaky test runner
on\r\nx-pack/test/saved_object_api_integration/security_and_spaces](https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/1888)","sha":"c0c023aaa6bf977a8a7a357998d612f04ea2f024"}}]}]
BACKPORT-->

Co-authored-by: Jeramy Soucy <jeramy.soucy@elastic.co>

x-pack/test/spaces_api_integration/common/suites/copy_to_space.ts

@@ -770,8 +770,7 @@ export function copyToSpaceTestSuiteFactory(context: FtrProviderContext) {
           await testDataLoader.deleteFtrSpaces();
         });
 
-        // FLAKY: https://github.com/elastic/kibana/issues/86545
-        describe.skip('single-namespace types', () => {
+        describe('single-namespace types', () => {
           beforeEach(async () => {
             await testDataLoader.createFtrSavedObjectsData(SPACE_DATA_TO_LOAD);
           });