chore(ci): add node v13 as a test environment

garthenweb · garthenweb · commit 326087f60769 · 2020-02-16T13:37:34.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 language: node_js
 matrix:
   include:
+    - node_js: "13"
     - node_js: "12"
     - node_js: "10"
     - node_js: "8"
