.travis.yml in pact_broker-2.27.0 vs .travis.yml in pact_broker-2.27.2

- old
+ new

@@ -9,9 +9,10 @@
   postgresql: "9.5"
 env:
   global:
     - CC_TEST_REPORTER_ID=dc2c30b67c9e2a5309e1aef699c30fdab55ba4f0e4f1beac029ba93e293835db
     - GIT_COMMITTED_AT=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then git log -1 --pretty=format:%ct; else git log -1 --skip 1 --pretty=format:%ct; fi)
+    - INSTALL_MYSQL=true
   matrix:
     - DATABASE_ADAPTER=default RUBYOPT="-W0"
     - DATABASE_ADAPTER=postgres RUBYOPT="-W0"
     - DATABASE_ADAPTER=mysql RUBYOPT="-W0"
 before_script: