ENG-1523: run goss on windows CI. (#4)

.travis.yml

@@ -6,14 +6,20 @@ go:
 sudo: required
 dist: trusty
 
+os:
+- linux
+- windows
+
 services:
 - docker
 
 before_install:
+- if [ "$TRAVIS_OS_NAME" == "windows" ]; then choco install make; fi
 - go get -u golang.org/x/lint/golint
 
 script:
-- make
+# TODO(ENG-1523): windows does not currently support test-int-*, only unit tests executed from make.
+- if [ "$TRAVIS_OS_NAME" == "windows" ]; then make lint test; else make; fi
 
 deploy:
   provider: releases