Tests: Drop Travis matrix in favor or stages

.travis.yml

@@ -18,44 +18,6 @@ before_install:
   - nvm install 6.11.1 && nvm use 6.11.1
   - npm install --global npm@5
 
-matrix:
-  include:
-    - php: 7.1
-      env: WP_VERSION=latest
-    - php: 5.6
-      env: WP_VERSION=latest
-    - php: 7.1
-      env: WP_VERSION=latest SWITCH_TO_PHP=5.3
-    - php: 7.1
-      env: WP_VERSION=latest SWITCH_TO_PHP=5.2
-
-script:
-  - |
-    export PATH="$HOME/.composer/vendor/bin:$PATH"
-    bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
-    source bin/install-php-phpunit.sh
-    # Run the build because otherwise there will be a bunch of warnings about
-    # failed `stat` calls from `filemtime()`.
-    npm install || exit 1
-    npm run build || exit 1
-    # Make sure phpegjs parser is up to date
-    node bin/create-php-parser.js || exit 1
-    if ! git diff --quiet --exit-code lib/parser.php; then
-      echo 'ERROR: The PEG parser has been updated, but the generated PHP version'
-      echo '       (lib/parser.php) has not.  Run `bin/create-php-parser.js` and'
-      echo '       commit the resulting changes to resolve this.'
-      sleep .2 # Otherwise Travis doesn't want to print the whole message
-      exit 1
-    fi
-    echo Running with the following versions:
-    php -v
-    phpunit --version
-    # Check parser syntax
-    php lib/parser.php || exit 1
-    # Run PHPUnit tests
-    phpunit || exit 1
-    WP_MULTISITE=1 phpunit || exit 1
-
 jobs:
   include:
     - stage: lint
@@ -72,10 +34,33 @@ jobs:
         - npm install || exit 1
         - npm run ci || exit 1
 
+    - stage: unit
+      php: 7.1
+      env: WP_VERSION=latest
+      script:
+        - ./bin/run-wp-unit-tests.sh
+
+    - stage: unit
+      php: 5.6
+      env: WP_VERSION=latest
+      script:
+        - ./bin/run-wp-unit-tests.sh
+
+    - stage: unit
+      php: 7.1
+      env: WP_VERSION=latest SWITCH_TO_PHP=5.3
+      script:
+        - ./bin/run-wp-unit-tests.sh
+
+    - stage: unit
+      php: 7.1
+      env: WP_VERSION=latest SWITCH_TO_PHP=5.2
+      script:
+        - ./bin/run-wp-unit-tests.sh
+
 stages:
   - lint
   - unit
-  - test
 
 before_deploy:
   - npm install

bin/run-wp-unit-tests.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+cd "$(dirname "$0")/../"
+
+export PATH="$HOME/.composer/vendor/bin:$PATH"
+bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
+source bin/install-php-phpunit.sh
+# Run the build because otherwise there will be a bunch of warnings about
+# failed `stat` calls from `filemtime()`.
+npm install || exit 1
+npm run build || exit 1
+# Make sure phpegjs parser is up to date
+node bin/create-php-parser.js || exit 1
+if ! git diff --quiet --exit-code lib/parser.php; then
+	echo 'ERROR: The PEG parser has been updated, but the generated PHP version'
+	echo '       (lib/parser.php) has not.  Run `bin/create-php-parser.js` and'
+	echo '       commit the resulting changes to resolve this.'
+	sleep .2 # Otherwise Travis doesn't want to print the whole message
+	exit 1
+fi
+echo Running with the following versions:
+php -v
+phpunit --version
+# Check parser syntax
+php lib/parser.php || exit 1
+# Run PHPUnit tests
+phpunit || exit 1
+WP_MULTISITE=1 phpunit || exit 1