diff --git a/.travis.yml b/.travis.yml
index 5b18e5a..4b8e87d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,64 +1,9 @@
-language: php
+version: ~> 1.0
 
-dist: trusty
-
-before_install:
- - sudo apt-get update
- - sudo apt-get install chromium-chromedriver
+import:
+  - silverstripe/silverstripe-travis-shared:config/provision/standard-jobs-range-behat.yml
 
 env:
   global:
     - COMPOSER_ROOT_VERSION="2.3.x-dev"
-    - DISPLAY=":99"
-    - XVFBARGS=":99 -ac -screen 0 1024x768x16"
-    - SS_BASE_URL="http://localhost:8080/"
-    - SS_ENVIRONMENT_TYPE="dev"
-
-matrix:
-  include:
-    - php: 5.6
-      env: DB=MYSQL INSTALLER_VERSION=4.4.x-dev PHPCS_TEST=1 PHPUNIT_TEST=1
-    - php: 7.0
-      env: DB=PGSQL INSTALLER_VERSION=4.4.x-dev PHPUNIT_TEST=1
-    - php: 7.1
-      env: DB=MYSQL INSTALLER_VERSION=4.4.x-dev BEHAT_TEST=1
-    - php: 7.2
-      env: DB=MYSQL INSTALLER_VERSION=4.4.x-dev PHPUNIT_TEST=1
-    - php: 7.2
-      env: DB=MYSQL INSTALLER_VERSION=4.x-dev BEHAT_TEST=1
-    - php: 7.3
-      env: DB=MYSQL INSTALLER_VERSION=4.4.x-dev PHPUNIT_TEST=1
-
-before_script:
-  # Extra $PATH
-  - export PATH=/usr/lib/chromium-browser/:$PATH
-
-  # Init PHP
-  - phpenv rehash
-  - phpenv config-rm xdebug.ini
-  - echo 'memory_limit=3G' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-
-  # Install composer
-  - composer validate
-  - composer require silverstripe/installer:"$INSTALLER_VERSION" silverstripe/recipe-testing:^1 --no-update
-  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:2.2.x-dev; fi
-  - composer install --prefer-source --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
-
-  # Behat bootstrapping
-  - if [[ $BEHAT_TEST ]]; then mkdir artifacts; fi
-  - if [[ $BEHAT_TEST ]]; then cp composer.lock artifacts/; fi
-  - if [[ $BEHAT_TEST ]]; then sh -e /etc/init.d/xvfb start; sleep 3; fi
-  - if [[ $BEHAT_TEST ]]; then (chromedriver > artifacts/chromedriver.log 2>&1 &); fi
-  - if [[ $BEHAT_TEST ]]; then (vendor/bin/serve --bootstrap-file vendor/silverstripe/cms/tests/behat/serve-bootstrap.php &> artifacts/serve.log &); fi
-
-script:
-  - if [[ $PHPUNIT_TEST ]]; then vendor/bin/phpunit; fi
-  - if [[ $PHPUNIT_COVERAGE_TEST ]]; then phpdbg -qrr vendor/bin/phpunit --coverage-clover=coverage.xml; fi
-  - if [[ $PHPCS_TEST ]]; then vendor/bin/phpcs src tests *.php --ignore=host-map.php; fi
-  - if [[ $BEHAT_TEST ]]; then vendor/bin/behat @subsites; fi
-
-after_success:
-  - if [[ $PHPUNIT_COVERAGE_TEST ]]; then bash <(curl -s https://codecov.io/bash) -f coverage.xml; fi
-
-after_failure:
-  - if [[ $BEHAT_TEST ]]; then php ./vendor/silverstripe/framework/tests/behat/travis-upload-artifacts.php --if-env BEHAT_TEST,ARTIFACTS_BUCKET,ARTIFACTS_KEY,ARTIFACTS_SECRET --target-path $TRAVIS_REPO_SLUG/$TRAVIS_BUILD_ID/$TRAVIS_JOB_ID --artifacts-base-url https://s3.amazonaws.com/$ARTIFACTS_BUCKET/ --artifacts-path ./artifacts/; fi
+    - BEHAT_SUITE="@subsites"
diff --git a/_config/middleware.yml b/_config/middleware.yml
index 5cbf9ca..a6006a3 100644
--- a/_config/middleware.yml
+++ b/_config/middleware.yml
@@ -7,6 +7,6 @@ SilverStripe\Core\Injector\Injector:
   SilverStripe\Control\Director:
     properties:
       Middlewares:
-        SubsitesStateMiddleware: %$SilverStripe\Subsites\Middleware\InitStateMiddleware
+        SubsitesStateMiddleware: '%$SilverStripe\Subsites\Middleware\InitStateMiddleware'
   SilverStripe\Dev\Tasks\MigrateFileTask:
     class: SilverStripe\Subsites\Tasks\SubsiteMigrateFileTask
diff --git a/behat.yml b/behat.yml
index 38e7b19..0cc5f06 100644
--- a/behat.yml
+++ b/behat.yml
@@ -2,7 +2,7 @@ default:
   suites:
     subsites:
       paths:
-        - %paths.modules.subsites%/tests/behat/features
+        - '%paths.modules.subsites%/tests/behat/features'
       contexts:
         - SilverStripe\Framework\Tests\Behaviour\FeatureContext
         - SilverStripe\Framework\Tests\Behaviour\CmsFormsContext
@@ -13,7 +13,7 @@ default:
         - SilverStripe\CMS\Tests\Behaviour\ThemeContext
         - SilverStripe\CMS\Tests\Behaviour\FixtureContext:
             # Note: double indent for args is intentional
-            - %paths.modules.subsites%/tests/behat/features/files/
+            - '%paths.modules.subsites%/tests/behat/features/files/'
 
   extensions:
     SilverStripe\BehatExtension\MinkExtension:
@@ -25,5 +25,5 @@ default:
       browser_name: chrome
 
     SilverStripe\BehatExtension\Extension:
-      screenshot_path: %paths.base%/artifacts/screenshots
+      screenshot_path: '%paths.base%/artifacts/screenshots'
       bootstrap_file: "vendor/silverstripe/cms/tests/behat/serve-bootstrap.php"
diff --git a/composer.json b/composer.json
index fe3c11f..f14557a 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "silverstripe/versioned": "^1.4@dev"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7",
+        "sminnee/phpunit": "^5.7",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index b8f7d59..86b1ca4 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -2,6 +2,9 @@
 <ruleset name="SilverStripe">
     <description>CodeSniffer ruleset for SilverStripe coding conventions.</description>
 
+    <file>src</file>
+    <file>tests</file>
+
     <!-- base rules are PSR-2 -->
     <rule ref="PSR2" >
         <!-- Current exclusions -->