fix auto-deploy

.travis.yml

@@ -7,7 +7,7 @@ node_js:
 cache:
   yarn: true
 env:
-  -
+  - SOLIDITY_COVERAGE=false
   - SOLIDITY_COVERAGE=true
 matrix:
   fast_finish: true
@@ -25,4 +25,5 @@ deploy:
   skip_cleanup: true
   github_token: $GITHUB_TOKEN # Set in travis-ci.org dashboard
   on:
-    branch: master
+    branch: master
+    condition: "$SOLIDITY_COVERAGE = false"