Replace MOCHA_GREP with TEST_NAME_PATTERN (#34404)

GitOrigin-RevId: b1b2d1be3d0725f930d83ef035836482ffb72dcd

services/notifications/vitest.config.acceptance.cjs

@@ -19,6 +19,7 @@ module.exports = defineConfig({
   test: {
     include: ['test/acceptance/js/**/*.test.{js,ts}'],
     isolate: false,
+    testNamePattern: process.env.TEST_NAME_PATTERN || undefined,
     ...reporterOptions,
   },
 })

services/notifications/vitest.config.unit.cjs

@@ -20,6 +20,7 @@ module.exports = defineConfig({
     include: ['test/unit/js/**/*.test.{js,ts}'],
     setupFiles: ['./test/setup.js'],
     isolate: false,
+    testNamePattern: process.env.TEST_NAME_PATTERN || undefined,
     ...reporterOptions,
   },
 })