refactor: rename tests

Author: yyx990803

packages/@vue/cli-plugin-typescript/__tests__/convertLintFlags.spec.js renamed to packages/@vue/cli-plugin-typescript/__tests__/tsConvertLintFlags.spec.js

@@ -1,18 +1,8 @@
-jest.setTimeout(process.env.APPVEYOR ? 1200000 : 40000)
+jest.setTimeout(process.env.APPVEYOR ? 800000 : 30000)
 
 const create = require('@vue/cli-test-utils/createTestProject')
 
 test('cypress', async () => {
-  const project = await create('ts-e2e-cypress', {
-    plugins: {
-      '@vue/cli-plugin-typescript': {},
-      '@vue/cli-plugin-e2e-cypress': {}
-    }
-  })
-  await project.run(`vue-cli-service e2e`)
-})
-
-test('cypress with router', async () => {
   const project = await create('ts-e2e-cypress-router', {
     router: true,
     plugins: {