ci: fixing tests

Author: edoparearyee

.gitignore

@@ -5,6 +5,7 @@
 /tmp
 /out-tsc
 .ng_pkg_build
+*.tgz
 
 # dependencies
 /node_modules

.travis.yml

@@ -17,11 +17,12 @@ cache:
      - ./node_modules
 
 install:
-  - npm install
+  - npm i --no-progress
 
 script:
   # Use Chromium instead of Chrome.
   - export CHROME_BIN=chromium-browser
-  - xvfb-run -a npm run test -- --no-progress --single-run --code-coverage --browser=ChromeNoSandbox
-  - xvfb-run -a npm run e2e -- --no-progress
+  - npm lint
+  - xvfb-run -a npm run test -- --no-progress --watch false --code-coverage --browsers ChromeNoSandbox
+  - xvfb-run -a npm run e2e
   - npm run coverage