diff --git a/x-pack/plugins/cases/public/components/all_cases/all_cases_list.test.tsx b/x-pack/plugins/cases/public/components/all_cases/all_cases_list.test.tsx
index 138e2efce8e969..eecde112f3907e 100644
--- a/x-pack/plugins/cases/public/components/all_cases/all_cases_list.test.tsx
+++ b/x-pack/plugins/cases/public/components/all_cases/all_cases_list.test.tsx
@@ -78,8 +78,7 @@ const mockKibana = () => {
   } as unknown as ReturnType<typeof useKibana>);
 };
 
-// FLAKY: https://github.com/elastic/kibana/issues/150923
-describe.skip('AllCasesListGeneric', () => {
+describe('AllCasesListGeneric', () => {
   const refetchCases = jest.fn();
   const onRowClick = jest.fn();
   const updateCaseProperty = jest.fn();
@@ -101,15 +100,50 @@ describe.skip('AllCasesListGeneric', () => {
   };
 
   const removeMsFromDate = (value: string) => moment(value).format('YYYY-MM-DDTHH:mm:ss[Z]');
+  // eslint-disable-next-line prefer-object-spread
+  const originalGetComputedStyle = Object.assign({}, window.getComputedStyle);
 
   let appMockRenderer: AppMockRenderer;
 
   beforeAll(() => {
+    // The JSDOM implementation is too slow
+    // Especially for dropdowns that try to position themselves
+    // perf issue - https://github.com/jsdom/jsdom/issues/3234
+    Object.defineProperty(window, 'getComputedStyle', {
+      value: (el: HTMLElement) => {
+        /**
+         * This is based on the jsdom implementation of getComputedStyle
+         * https://github.com/jsdom/jsdom/blob/9dae17bf0ad09042cfccd82e6a9d06d3a615d9f4/lib/jsdom/browser/Window.js#L779-L820
+         *
+         * It is missing global style parsing and will only return styles applied directly to an element.
+         * Will not return styles that are global or from emotion
+         */
+        const declaration = new CSSStyleDeclaration();
+        const { style } = el;
+
+        Array.prototype.forEach.call(style, (property: string) => {
+          declaration.setProperty(
+            property,
+            style.getPropertyValue(property),
+            style.getPropertyPriority(property)
+          );
+        });
+
+        return declaration;
+      },
+      configurable: true,
+      writable: true,
+    });
+
     mockKibana();
     const actionTypeRegistry = useKibanaMock().services.triggersActionsUi.actionTypeRegistry;
     registerConnectorsToMockActionRegistry(actionTypeRegistry, connectorsMock);
   });
 
+  afterAll(() => {
+    Object.defineProperty(window, 'getComputedStyle', originalGetComputedStyle);
+  });
+
   beforeEach(() => {
     jest.clearAllMocks();
     appMockRenderer = createAppMockRenderer();
@@ -714,19 +748,13 @@ describe.skip('AllCasesListGeneric', () => {
         appMockRenderer.render(<AllCasesList />);
 
         await waitFor(() => {
-          expect(screen.getByTestId('checkboxSelectAll')).toBeInTheDocument();
+          expect(screen.getByTestId('cases-table')).toBeInTheDocument();
         });
 
         userEvent.click(screen.getByTestId('checkboxSelectAll'));
-
-        await waitFor(() => {
-          expect(screen.getByText('Bulk actions')).toBeInTheDocument();
-        });
-
+        expect(screen.getByText('Bulk actions')).toBeInTheDocument();
         userEvent.click(screen.getByText('Bulk actions'));
 
-        await waitForEuiPopoverOpen();
-
         expect(screen.getByTestId('case-bulk-action-status')).toBeInTheDocument();
         expect(screen.getByTestId('cases-bulk-action-delete')).toBeInTheDocument();
       });
@@ -737,20 +765,18 @@ describe.skip('AllCasesListGeneric', () => {
           appMockRenderer.render(<AllCasesList />);
 
           await waitFor(() => {
-            expect(screen.getByTestId('checkboxSelectAll')).toBeInTheDocument();
+            expect(screen.getByTestId('cases-table')).toBeInTheDocument();
           });
 
           userEvent.click(screen.getByTestId('checkboxSelectAll'));
 
-          await waitFor(() => {
-            expect(screen.getByText('Bulk actions')).toBeInTheDocument();
-          });
+          expect(screen.getByText('Bulk actions')).toBeInTheDocument();
 
           userEvent.click(screen.getByText('Bulk actions'));
 
-          await waitForEuiPopoverOpen();
-
-          userEvent.click(screen.getByTestId('case-bulk-action-status'));
+          userEvent.click(screen.getByTestId('case-bulk-action-status'), undefined, {
+            skipPointerEventsCheck: true,
+          });
 
           await waitFor(() => {
             expect(screen.getByTestId(`cases-bulk-action-status-${status}`)).toBeInTheDocument();
@@ -758,16 +784,16 @@ describe.skip('AllCasesListGeneric', () => {
 
           userEvent.click(screen.getByTestId(`cases-bulk-action-status-${status}`));
 
-          await waitForComponentToUpdate();
-
-          expect(updateCasesSpy).toBeCalledWith(
-            useGetCasesMockState.data.cases.map(({ id, version }) => ({
-              id,
-              version,
-              status,
-            })),
-            expect.anything()
-          );
+          await waitFor(() => {
+            expect(updateCasesSpy).toBeCalledWith(
+              useGetCasesMockState.data.cases.map(({ id, version }) => ({
+                id,
+                version,
+                status,
+              })),
+              expect.anything()
+            );
+          });
         }
       );
 
@@ -780,20 +806,18 @@ describe.skip('AllCasesListGeneric', () => {
         appMockRenderer.render(<AllCasesList />);
 
         await waitFor(() => {
-          expect(screen.getByTestId('checkboxSelectAll')).toBeInTheDocument();
+          expect(screen.getByTestId('cases-table')).toBeInTheDocument();
         });
 
         userEvent.click(screen.getByTestId('checkboxSelectAll'));
 
-        await waitFor(() => {
-          expect(screen.getByText('Bulk actions')).toBeInTheDocument();
-        });
+        expect(screen.getByText('Bulk actions')).toBeInTheDocument();
 
         userEvent.click(screen.getByText('Bulk actions'));
 
-        await waitForEuiPopoverOpen();
-
-        userEvent.click(screen.getByTestId('case-bulk-action-severity'));
+        userEvent.click(screen.getByTestId('case-bulk-action-severity'), undefined, {
+          skipPointerEventsCheck: true,
+        });
 
         await waitFor(() => {
           expect(screen.getByTestId(`cases-bulk-action-severity-${severity}`)).toBeInTheDocument();
@@ -801,42 +825,36 @@ describe.skip('AllCasesListGeneric', () => {
 
         userEvent.click(screen.getByTestId(`cases-bulk-action-severity-${severity}`));
 
-        await waitForComponentToUpdate();
-
-        expect(updateCasesSpy).toBeCalledWith(
-          useGetCasesMockState.data.cases.map(({ id, version }) => ({
-            id,
-            version,
-            severity,
-          })),
-          expect.anything()
-        );
+        await waitFor(() => {
+          expect(updateCasesSpy).toBeCalledWith(
+            useGetCasesMockState.data.cases.map(({ id, version }) => ({
+              id,
+              version,
+              severity,
+            })),
+            expect.anything()
+          );
+        });
       });
 
       it('Bulk delete', async () => {
         appMockRenderer.render(<AllCasesList />);
 
         await waitFor(() => {
-          expect(screen.getByTestId('checkboxSelectAll')).toBeInTheDocument();
+          expect(screen.getByTestId('cases-table')).toBeInTheDocument();
         });
 
         userEvent.click(screen.getByTestId('checkboxSelectAll'));
 
-        await waitFor(() => {
-          expect(screen.getByText('Bulk actions')).toBeInTheDocument();
-        });
+        expect(screen.getByText('Bulk actions')).toBeInTheDocument();
 
         userEvent.click(screen.getByText('Bulk actions'));
 
-        await waitForEuiPopoverOpen();
-
         userEvent.click(screen.getByTestId('cases-bulk-action-delete'), undefined, {
           skipPointerEventsCheck: true,
         });
 
-        await waitFor(() => {
-          expect(screen.getByTestId('confirm-delete-case-modal')).toBeInTheDocument();
-        });
+        expect(screen.getByTestId('confirm-delete-case-modal')).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId('confirmModalConfirmButton'));
 
@@ -861,17 +879,13 @@ describe.skip('AllCasesListGeneric', () => {
         appMockRenderer = createAppMockRenderer({ permissions: readCasesPermissions() });
         appMockRenderer.render(<AllCasesList />);
 
-        await waitFor(() => {
-          expect(screen.getByTestId('checkboxSelectAll')).toBeInTheDocument();
-        });
-
         expect(screen.getByTestId('checkboxSelectAll')).toBeDisabled();
 
-        await waitFor(() => {
-          for (const theCase of defaultGetCases.data.cases) {
+        for (const theCase of defaultGetCases.data.cases) {
+          await waitFor(() => {
             expect(screen.getByTestId(`checkboxSelectRow-${theCase.id}`)).toBeDisabled();
-          }
-        });
+          });
+        }
       });
     });
 
@@ -892,13 +906,13 @@ describe.skip('AllCasesListGeneric', () => {
       it('should render row actions', async () => {
         appMockRenderer.render(<AllCasesList />);
 
-        await waitFor(() => {
-          for (const theCase of defaultGetCases.data.cases) {
+        for (const theCase of defaultGetCases.data.cases) {
+          await waitFor(() => {
             expect(
               screen.getByTestId(`case-action-popover-button-${theCase.id}`)
             ).toBeInTheDocument();
-          }
-        });
+          });
+        }
       });
 
       it.each(statusTests)('update the status of a case: %s', async (status) => {
@@ -907,17 +921,11 @@ describe.skip('AllCasesListGeneric', () => {
         const inProgressCase = useGetCasesMockState.data.cases[1];
         const theCase = status === CaseStatuses.open ? inProgressCase : openCase;
 
-        await waitFor(() => {
-          expect(
-            screen.getByTestId(`case-action-popover-button-${theCase.id}`)
-          ).toBeInTheDocument();
-        });
+        expect(screen.getByTestId(`case-action-popover-button-${theCase.id}`)).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId(`case-action-popover-button-${theCase.id}`));
 
-        await waitFor(() => {
-          expect(screen.getByTestId(`case-action-status-panel-${theCase.id}`)).toBeInTheDocument();
-        });
+        expect(screen.getByTestId(`case-action-status-panel-${theCase.id}`)).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId(`case-action-status-panel-${theCase.id}`), undefined, {
           skipPointerEventsCheck: true,
@@ -943,19 +951,11 @@ describe.skip('AllCasesListGeneric', () => {
         const mediumCase = useGetCasesMockState.data.cases[1];
         const theCase = severity === CaseSeverity.LOW ? mediumCase : lowCase;
 
-        await waitFor(() => {
-          expect(
-            screen.getByTestId(`case-action-popover-button-${theCase.id}`)
-          ).toBeInTheDocument();
-        });
+        expect(screen.getByTestId(`case-action-popover-button-${theCase.id}`)).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId(`case-action-popover-button-${theCase.id}`));
 
-        await waitFor(() => {
-          expect(
-            screen.getByTestId(`case-action-severity-panel-${theCase.id}`)
-          ).toBeInTheDocument();
-        });
+        expect(screen.getByTestId(`case-action-severity-panel-${theCase.id}`)).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId(`case-action-severity-panel-${theCase.id}`), undefined, {
           skipPointerEventsCheck: true,
@@ -979,25 +979,17 @@ describe.skip('AllCasesListGeneric', () => {
         appMockRenderer.render(<AllCasesList />);
         const theCase = defaultGetCases.data.cases[0];
 
-        await waitFor(() => {
-          expect(
-            screen.getByTestId(`case-action-popover-button-${theCase.id}`)
-          ).toBeInTheDocument();
-        });
+        expect(screen.getByTestId(`case-action-popover-button-${theCase.id}`)).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId(`case-action-popover-button-${theCase.id}`));
 
-        await waitFor(() => {
-          expect(screen.getByTestId('cases-bulk-action-delete')).toBeInTheDocument();
-        });
+        expect(screen.getByTestId('cases-bulk-action-delete')).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId('cases-bulk-action-delete'), undefined, {
           skipPointerEventsCheck: true,
         });
 
-        await waitFor(() => {
-          expect(screen.getByTestId('confirm-delete-case-modal')).toBeInTheDocument();
-        });
+        expect(screen.getByTestId('confirm-delete-case-modal')).toBeInTheDocument();
 
         userEvent.click(screen.getByTestId('confirmModalConfirmButton'));
 
@@ -1011,11 +1003,11 @@ describe.skip('AllCasesListGeneric', () => {
 
         userEvent.click(screen.getByTestId('checkboxSelectAll'));
 
-        await waitFor(() => {
-          for (const theCase of defaultGetCases.data.cases) {
+        for (const theCase of defaultGetCases.data.cases) {
+          await waitFor(() => {
             expect(screen.getByTestId(`case-action-popover-button-${theCase.id}`)).toBeDisabled();
-          }
-        });
+          });
+        }
       });
 
       it('should disable row actions when selecting a case', async () => {
@@ -1024,11 +1016,11 @@ describe.skip('AllCasesListGeneric', () => {
 
         userEvent.click(screen.getByTestId(`checkboxSelectRow-${caseToSelect.id}`));
 
-        await waitFor(() => {
-          for (const theCase of defaultGetCases.data.cases) {
+        for (const theCase of defaultGetCases.data.cases) {
+          await waitFor(() => {
             expect(screen.getByTestId(`case-action-popover-button-${theCase.id}`)).toBeDisabled();
-          }
-        });
+          });
+        }
       });
     });