add cypress to cache

.travis.yml

@@ -3,10 +3,11 @@ node_js:
   - "12"
 dist: xenial
 cache:
-  # cache both yarn (.cache) and npm (for global installs)
+  # cache yarn cache and cypress binary
   yarn: true
   directories:
     - ./.yarn/cache
+    - ~/.cache
 addons:
   chrome: stable
   firefox: latest
@@ -60,10 +61,6 @@ _predeploy_defaults: &_predeploy_defaults
 # CI_NODE var just ensures job env unique (otherwise won't run), others are passed to default script
 jobs:
   include:
-    - stage: Build
-      if: branch = ci/travis
-      script:
-        - npm run build
     # Test - Run 4 test stages in parallel
     # TODO - possibly create a single build before test and use for tests and deploy
     # (might be tricky: https://docs.travis-ci.com/user/build-stages/#data-persistence-between-stages-and-jobs)