[Lens] [Datatable] toolbar tests rewritten to testing-library/react (e…

…lastic#173075)

## Summary

Rewrites datatable toolbar tests to testing-library.
It also starts a new package – shared space to park EUI component test
helpers that we eventually donate to EUI for ongoing maintenance. So far
it's just one helper but hopefully we'll be adding helpers soon!

.github/CODEOWNERS

@@ -789,6 +789,7 @@ src/plugins/telemetry @elastic/kibana-core
 test/plugin_functional/plugins/telemetry @elastic/kibana-core
 packages/kbn-telemetry-tools @elastic/kibana-core
 packages/kbn-test @elastic/kibana-operations @elastic/appex-qa
+packages/kbn-test-eui-helpers @elastic/kibana-visualizations
 x-pack/test/licensing_plugin/plugins/test_feature_usage @elastic/kibana-security
 packages/kbn-test-jest-helpers @elastic/kibana-operations @elastic/appex-qa
 packages/kbn-test-subj-selector @elastic/kibana-operations @elastic/appex-qa

.github/codeql/codeql-config.yml

@@ -61,6 +61,7 @@ paths-ignore:
   - packages/kbn-telemetry-tools
   - packages/kbn-test
   - packages/kbn-test-jest-helpers
+  - packages/kbn-test-eui-helpers
   - packages/kbn-test-subj-selector
   - packages/kbn-tooling-log
   - packages/kbn-ts-project-linter

package.json

@@ -1295,6 +1295,7 @@
     "@kbn/storybook": "link:packages/kbn-storybook",
     "@kbn/telemetry-tools": "link:packages/kbn-telemetry-tools",
     "@kbn/test": "link:packages/kbn-test",
+    "@kbn/test-eui-helpers": "link:packages/kbn-test-eui-helpers",
     "@kbn/test-jest-helpers": "link:packages/kbn-test-jest-helpers",
     "@kbn/test-subj-selector": "link:packages/kbn-test-subj-selector",
     "@kbn/tooling-log": "link:packages/kbn-tooling-log",

packages/kbn-test-eui-helpers/index.ts

@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+export * from './src/rtl_helpers';

packages/kbn-test-eui-helpers/jest.config.js

@@ -0,0 +1,13 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+module.exports = {
+  preset: '@kbn/test',
+  rootDir: '../..',
+  roots: ['<rootDir>/packages/kbn-test-eui-helpers'],
+};

packages/kbn-test-eui-helpers/kibana.jsonc

@@ -0,0 +1,6 @@
+{
+  "type": "shared-common",
+  "id": "@kbn/test-eui-helpers",
+  "devOnly": true,
+  "owner": ["@elastic/kibana-visualizations"],
+}

packages/kbn-test-eui-helpers/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "@kbn/test-eui-helpers",
+  "version": "1.0.0",
+  "private": true,
+  "license": "SSPL-1.0 OR Elastic License 2.0"
+}

packages/kbn-test-eui-helpers/src/rtl_helpers.tsx

@@ -0,0 +1,14 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { screen, within } from '@testing-library/react';
+
+export const getButtonGroupInputValue = (testId: string) => () => {
+  const buttonGroup = screen.getByTestId(testId);
+  return within(buttonGroup).getByRole('button', { pressed: true });
+};

packages/kbn-test-eui-helpers/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "target/types",
+    "types": ["jest", "node"]
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.tsx",
+  ],
+  "kbn_references": [],
+  "exclude": [
+    "target/**/*",
+  ],
+}

tsconfig.base.json

@@ -1572,6 +1572,8 @@
       "@kbn/telemetry-tools/*": ["packages/kbn-telemetry-tools/*"],
       "@kbn/test": ["packages/kbn-test"],
       "@kbn/test/*": ["packages/kbn-test/*"],
+      "@kbn/test-eui-helpers": ["packages/kbn-test-eui-helpers"],
+      "@kbn/test-eui-helpers/*": ["packages/kbn-test-eui-helpers/*"],
       "@kbn/test-feature-usage-plugin": ["x-pack/test/licensing_plugin/plugins/test_feature_usage"],
       "@kbn/test-feature-usage-plugin/*": ["x-pack/test/licensing_plugin/plugins/test_feature_usage/*"],
       "@kbn/test-jest-helpers": ["packages/kbn-test-jest-helpers"],

x-pack/plugins/lens/public/shared_components/toolbar_popover.tsx

@@ -68,6 +68,7 @@ export const ToolbarPopover: React.FunctionComponent<ToolbarPopoverProps> = ({
             onClick={() => {
               setOpen(!open);
             }}
+            label={title}
             aria-label={title}
             isDisabled={isDisabled}
             groupPosition={groupPosition}