Specificy coveralls parallel env var

lucianopaz · lucianopaz · commit 0713b871c7cc · 2019-10-12T08:53:31.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -37,4 +37,4 @@ script:
   - . ./scripts/test.sh $TESTCMD
 
 after_success:
-  - coveralls
+  - COVERALLS_PARALLEL=true coveralls
