Build: Resolve Travis config warnings

mgol · web-flow · commit 5b94a4f847fe · 2020-03-13T17:16:07.000+01:00
Travis reports warnings in our config: * root: deprecated key sudo (The key `sudo` has no effect anymore.) * root: missing os, using the default linux * root: key matrix is an alias for jobs, using jobs They are all now resolved. Closes gh-4636
diff --git a/.travis.yml b/.travis.yml
@@ -1,13 +1,13 @@
 language: node_js
-sudo: false
+os: linux
 node_js:
 - "8"
 - "10"
 - "12"
 - "13"
 env:
   - NPM_SCRIPT=test:browserless
-matrix:
+jobs:
   include:
     - name: "Browser tests: full build, Chrome & Firefox stable"
       node_js: "12"
