Enable HTML report in Travis build

.travis.yml

@@ -35,7 +35,7 @@ matrix:
         artifacts:
           debug: true
           paths:
-            $HOME/gemini-report/*
+            ./gemini-report/*
         apt:
           sources:
             - ubuntu-toolchain-r-test

lib/tasks/tests/visual/run.js

@@ -93,7 +93,7 @@ export default (gulp, config, args) => {
 
           /* Start Gemini and return runner upon finish */
           return new Gemini(gemini).test(`${config.tests.visual}/suites`, {
-            reporters: ["flat"].concat(process.env.CI ? [] : ["html"]),
+            reporters: ["flat", "html"],
             browsers: args.browsers ? [].concat(args.browsers) : null
           })