Moved phpcs run to php 7.3 with latest wordpress.

Author: rfmeier

.travis.yml

@@ -29,11 +29,11 @@ matrix:
     - php: 7.3
       env: WP_VERSION=5.2 WP_MULTISITE=1
     - php: 7.3
-      env: WP_VERSION=latest WP_MULTISITE=1
+      env:
+        - WP_VERSION=latest WP_MULTISITE=1
+        - PHPCS=1
     - php: 7.3
       env: NPM_TESTS=1
-    - php: 7.3
-      env: PHPCS=1
   exclude:
     - php: 7.3
       env: WP_VERSION=4.5