[Backport release_3_10] Tests e2e: Move form_edit_related_child_data from Cypress to Playwright

tests/end2end/playwright/form_edit_related_child_data.spec.js

@@ -0,0 +1,40 @@
+import { test, expect } from '@playwright/test';
+import { ProjectPage } from './pages/project';
+import { expect as responseExpect } from './fixtures/expect-response.js'
+import { expect as requestExpect } from './fixtures/expect-request.js'
+
+test.describe('Editing relational data', function () {
+
+    test('Check the child table has been moved in the expected div @readonly', async function ({ page }) {
+        const project = new ProjectPage(page, 'form_edit_related_child_data');
+        await project.open();
+
+        // Click on a feature then launch its edition form
+        let getFeatureInfoPromise = project.waitForGetFeatureInfoRequest();
+        await project.clickOnMap(630, 325);
+        let getFeatureInfoRequest = await getFeatureInfoPromise;
+        let getFeatureInfoResponse = await getFeatureInfoRequest.response();
+        responseExpect(getFeatureInfoResponse).toBeHtml();
+
+        const featureToolbar = project.popupContent.locator('lizmap-feature-toolbar[value^="quartiers_"][value$=".6"]');
+        await expect(featureToolbar).toHaveCount(1);
+        await expect(featureToolbar).toBeVisible();
+        await expect(featureToolbar.locator('button.feature-edit')).toBeVisible();
+
+        let editFeatureRequestPromise = page.waitForRequest(/lizmap\/edition\/editFeature/);
+        await featureToolbar.locator('button.feature-edit').click();
+        let editFeatureRequest = await editFeatureRequestPromise;
+        let expectedEditFeatureParameters = {
+            'layerId': /^quartiers_/,
+            'featureId': '6',
+        };
+        requestExpect(editFeatureRequest).toContainParametersInUrl(expectedEditFeatureParameters);
+        await editFeatureRequest.response();
+
+        await expect(page.locator('#jforms_view_edition-tab1-group2-relation1 div.attribute-layer-child-content')).toHaveCount(1);
+
+        // Close form
+        page.once('dialog', dialog => dialog.accept());
+        await project.editingSubmit('cancel').click();
+    });
+});