ignore snyk when var not set (#216)

ignore snyk when var not setIt appears the previous approach doesn't work. I speculate that they don't consider that encrypted env variables are ignored for forks. 🤷‍♂️

.travis.yml

@@ -16,6 +16,4 @@ jobs:
         - bash <(curl -s https://codecov.io/bash)
     - stage: check
       script:
-        - snyk monitor --org=czi
-        - snyk test
-      if: env(SNYK_TOKEN) IS present
+        - if [[ ! -z "${SNYK_TOKEN}" ]]; then snyk monitor --org=czi; snyk test; fi