test: bump test-runner, use fake timers

vaadin/vaadin-upload#372

Author: web-padawan

packages/vaadin-upload/package.json

@@ -68,9 +68,9 @@
     "@open-wc/testing-helpers": "^1.8.0",
     "@polymer/iron-component-page": "^4.0.0",
     "@rollup/plugin-node-resolve": "^11.0.0",
-    "@web/dev-server": "^0.0.19",
-    "@web/test-runner": "^0.9.7",
-    "@web/test-runner-saucelabs": "^0.1.1",
+    "@web/dev-server": "^0.1.5",
+    "@web/test-runner": "^0.12.7",
+    "@web/test-runner-saucelabs": "^0.4.1",
     "eslint": "^7.13.0",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-prettier": "^3.1.4",