fix: use oclif/test v4

package.json

@@ -18,12 +18,12 @@
   ],
   "dependencies": {
     "@oclif/core": "^3",
-    "@oclif/plugin-help": "^5",
-    "@oclif/plugin-plugins": "^3.9.4"
+    "@oclif/plugin-help": "^6",
+    "@oclif/plugin-plugins": "^5"
   },
   "devDependencies": {
     "@oclif/prettier-config": "^0.2.1",
-    "@oclif/test": "^3",
+    "@oclif/test": "^4",
     "@types/chai": "^4",
     "@types/mocha": "^10",
     "@types/node": "^18",

test/commands/esm2.test.ts

@@ -1,10 +1,9 @@
-import {expect, test} from '@oclif/test'
+import {runCommand} from '@oclif/test'
+import {expect} from 'chai'
 
-describe('hello', () => {
-  test
-  .stdout()
-  .command(['esm2'])
-  .it('runs esm2 cmd', ctx => {
-    expect(ctx.stdout).to.contain('hello I am an ESM plugin')
+describe('esm2', () => {
+  it('runs esm2 cmd', async () => {
+    const {stdout} = await runCommand(['esm2'])
+    expect(stdout).to.contain('hello I am an ESM plugin')
   })
 })

test/hooks/init/init.test.ts

@@ -1,9 +1,9 @@
-import {expect, test} from '@oclif/test'
+import {runHook} from '@oclif/test'
+import {expect} from 'chai'
 
 describe('hooks', () => {
-  test
-  .stdout()
-  .hook('init', {id: 'mycommand'})
-  .do(output => expect(output.stdout).to.contain('Greetings!'))
-  .it('shows a message')
+  it('shows a message', async () => {
+    const {stdout} = await runHook('init', {id: 'mycommand'})
+    expect(stdout).to.contain('Greetings!')
+  })
 })