refactor: init cypress-cucumber-preprocessor install.

node_modules/acorn-node/.travis.yml

@@ -0,0 +1,22 @@
+language: node_js
+node_js:
+  - '12'
+  - '11'
+  - '10'
+  - '9'
+  - '8'
+  - '6'
+  - '4'
+  - '0.12'
+  - '0.10'
+  - '0.8'
+  - '0.6'
+before_install:
+  - 'nvm install-latest-npm'
+install:
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.9" ]; then nvm install --latest-npm 0.8 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
+sudo: false
+matrix:
+  fast_finish: true
+  allow_failures:
+    - node_js: "0.6"