test: use snapshot

Author: marcalexiei

package.json

@@ -16,7 +16,7 @@
     "build": "npm run build-downlevel-dts && tsc --project tsconfig.build.plugin.json && tsc --project tsconfig.build.insertStyle.json",
     "build-downlevel-dts": "node scripts/clean-and-run-downlevel-dts.js",
     "downlevel-dts": "downlevel-dts . ts3.5 [--to=3.5]",
-    "test": "nyc --reporter=html --reporter=text ava ./test/*.test.ts -s && npm run test:rollup.config.spec.ts",
+    "test": "nyc --reporter=html --reporter=text ava && npm run test:rollup.config.spec.ts",
     "coverage": "nyc report --reporter=text-lcov | coveralls",
     "output-coverage-lcov": "nyc report --reporter=text-lcov > coverage/tests.lcov",
     "test:rollup.config.spec.ts": "tsc --project tsconfig.spec.json --noEmit",
@@ -50,6 +50,9 @@
     "dist"
   ],
   "ava": {
+    "files": [
+      "./test/*.test.ts"
+    ],
     "extensions": [
       "ts"
     ],