[ResponseOps][Cases] Skipped tests no floating promises fixes (#206718)

Closes #191185

## Summary

- un-skipped tests in the following modules:

- ` x-pack/test/functional_with_es_ssl/apps/cases/group1/view_case.ts`
-
`x-pack/test_serverless/functional/test_suites/security/ftr/cases/view_case.ts`
-
`x-pack/test_serverless/functional/test_suites/observability/cases/view_case.ts`

x-pack/test/functional_with_es_ssl/apps/cases/group1/view_case.ts

@@ -41,7 +41,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
   // https://github.com/elastic/kibana/pull/190690
   // fails after missing `awaits` were added
-  describe.skip('View case', () => {
+  describe('View case', () => {
     describe('page', () => {
       createOneCaseBeforeDeleteAllAfter(getPageObject, getService);
 
@@ -581,12 +581,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
         expect(await commentArea.getVisibleText()).to.be('Test comment from automation');
       });
 
-      /**
-       * There is this bug https://github.com/elastic/kibana/issues/157280
-       * where this test randomly reproduces thus making the test flaky.
-       * Skipping for now until we fix it.
-       */
-      it.skip('should persist the draft of new comment while description is updated', async () => {
+      it('should persist the draft of new comment while description is updated', async () => {
         let commentArea = await find.byCssSelector(
           '[data-test-subj="add-comment"] textarea.euiMarkdownEditorTextArea'
         );
@@ -787,6 +782,8 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
         await cases.common.selectSeverity(CaseSeverity.MEDIUM);
 
+        await header.waitUntilLoadingHasFinished();
+
         await cases.common.changeCaseStatusViaDropdownAndVerify(CaseStatuses['in-progress']);
 
         await header.waitUntilLoadingHasFinished();
@@ -1277,7 +1274,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
         await header.waitUntilLoadingHasFinished();
       });
 
-      afterEach(async () => {
+      after(async () => {
         await cases.api.deleteAllCases();
       });
 

x-pack/test_serverless/functional/test_suites/observability/cases/view_case.ts

@@ -36,7 +36,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
   // https://github.com/elastic/kibana/pull/190690
   // fails after missing `awaits` were added
-  describe.skip('Case View', function () {
+  describe('Case View', function () {
     before(async () => {
       await svlCommonPage.loginWithPrivilegedRole();
     });
@@ -235,6 +235,8 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
         await cases.common.selectSeverity(CaseSeverity.MEDIUM);
 
+        await header.waitUntilLoadingHasFinished();
+
         await cases.common.changeCaseStatusViaDropdownAndVerify(CaseStatuses['in-progress']);
 
         await header.waitUntilLoadingHasFinished();
@@ -272,7 +274,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
     });
 
     // FLAKY
-    describe.skip('Lens visualization', () => {
+    describe('Lens visualization', () => {
       before(async () => {
         await cases.testResources.installKibanaSampleData('logs');
         await createAndNavigateToCase(getPageObject, getService, owner);

x-pack/test_serverless/functional/test_suites/security/ftr/cases/view_case.ts

@@ -37,7 +37,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
   // https://github.com/elastic/kibana/pull/190690
   // fails after missing `awaits` were added
-  describe.skip('Case View', function () {
+  describe('Case View', function () {
     before(async () => {
       await svlCommonPage.loginWithPrivilegedRole();
     });
@@ -235,6 +235,8 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
 
         await cases.common.selectSeverity(CaseSeverity.MEDIUM);
 
+        await header.waitUntilLoadingHasFinished();
+
         await cases.common.changeCaseStatusViaDropdownAndVerify(CaseStatuses['in-progress']);
 
         await header.waitUntilLoadingHasFinished();
@@ -272,7 +274,7 @@ export default ({ getPageObject, getService }: FtrProviderContext) => {
     });
 
     // FLAKY
-    describe.skip('Lens visualization', () => {
+    describe('Lens visualization', () => {
       before(async () => {
         await cases.testResources.installKibanaSampleData('logs');
         await createAndNavigateToCase(getPageObject, getService, owner);