Fixing build

Author: aensidhe

.travis.yml

@@ -16,6 +16,7 @@ services:
   - docker
 
 before_script:
+  - .travis/$TRAVIS_OS_NAME/init.sh
   - dotnet restore
   - docker -v
   - docker-compose down
@@ -28,4 +29,4 @@ before_script:
 script:
   - dotnet build -f netcoreapp1.0 src/tarantool.client
   - dotnet test tests/tarantool.client.tests
-  - curl --fail http://localhost:5000
+  - curl -o /dev/null --fail http://localhost:5000

.travis/linux/init.sh

@@ -0,0 +1 @@
+#!/usr/bin/env bash

.travis/osx/init.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+brew tap caskroom/cask
+brew cask install docker