[FOLLOWUP] Actually run PHP_CodeSniffer on Travis CI (#46)

.travis.yml

@@ -47,6 +47,11 @@ script:
   echo "Running the functional tests";
   composer ci:tests:functional;
 
+- >
+  echo;
+  echo "Running PHP_CodeSniffer";
+  composer ci:php:sniff;
+
 jobs:
   include:
   - stage: test

CHANGELOG.md

@@ -6,7 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## x.y.z
 
 ### Added
-- Add PHP_CodeSniffer to the Travis CI build (#44)
+- Add PHP_CodeSniffer to the Travis CI build (#44,#46)
 - Auto-release to the TER (#34)
 - Composer script for PHP linting