test: reformat jest test cases

Signed-off-by: Kengo TODA <skypencil@gmail.com>

__tests__/install.test.ts

@@ -1,24 +1,21 @@
 import {install, runCommand} from '../src/install'
 import * as core from '@actions/core'
 
-import {expect, test} from '@jest/globals'
+import {describe, expect, it, test} from '@jest/globals'
 
-test('runCommand', async () => {
-  const result = await runCommand('echo foo bar')
-  expect(result).toBe('foo bar')
+describe('runCommand', () => {
+  it('runs a command and returns its stdout', async () => {
+    const result = await runCommand('echo foo bar')
+    expect(result).toBe('foo bar')
+  })
 })
 
-async function testVersion(version: string) {
-  const commandPath = await install(version)
-  core.addPath(commandPath)
-  const result = await runCommand('docker-compose version')
-  expect(result).toContain(version)
-}
-
-test('Install the right version', async () => {
-  await testVersion('1.29.1')
-  await testVersion('1.29.2')
-  await testVersion('2.2.3')
-  await testVersion('v2.2.3')
-  await testVersion('v2.10.2')
+describe('install', () => {
+  const cases = ['1.29.1', '1.29.2', '2.2.3', 'v2.2.3', 'v2.10.2']
+  test.each(cases)('can install version %p', async (version: string) => {
+    const commandPath = await install(version)
+    core.addPath(commandPath)
+    const result = await runCommand('docker-compose version')
+    expect(result).toContain(version)
+  })
 })