test(client-ec2): convert cucumber tests to vitest for ec2 (#6625)

Author: kuhe

features/ec2/ec2.feature

@@ -10,9 +10,11 @@
     "build:types:downlevel": "downlevel-dts dist-types dist-types/ts3.4",
     "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo",
     "test": "vitest run",
-    "test:integration": "vitest run -c vitest.config.integ.ts",
     "test:watch": "vitest watch",
-    "test:integration:watch": "vitest watch -c vitest.config.integ.ts"
+    "test:integration": "vitest run -c vitest.config.integ.ts",
+    "test:integration:watch": "vitest watch -c vitest.config.integ.ts",
+    "test:e2e": "vitest run -c vitest.config.e2e.ts",
+    "test:e2e:watch": "vitest watch -c vitest.config.e2e.ts"
   },
   "main": "./dist-cjs/index.js",
   "module": "./dist-es/index.js",