diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d623e5..2fd0876 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,23 +7,7 @@ jobs:
   phpcs:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        php-version: ['7.4']
-
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
 
-      - name: Configure PHP ${{ matrix.php-version }}
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php-version }}
-
-      - name: Install Composer dependencies
-        run: >
-          composer install --no-progress --no-suggest --prefer-dist \
-            --optimize-autoloader
-
-      - name: Run PHPCS
-        run: make phpcs
+      - run: ./run ci:test
diff --git a/run b/run
index 21f86d5..0f7d662 100755
--- a/run
+++ b/run
@@ -10,6 +10,11 @@ function build {
   docker image build . --tag ${DOCKER_TAG}
 }
 
+function ci:test {
+  build
+  test "${@}"
+}
+
 function help {
   printf "%s <task> [args]\n\nTasks:\n" "${0}"
 
@@ -20,7 +25,7 @@ function help {
 
 function test {
   # Run PHPUnit tests.
-  docker container run --rm -it \
+  docker container run --rm -t \
     -v $(pwd):/app \
     --entrypoint phpunit \
     ${DOCKER_TAG} "${@}"