Revert "Fix lint issues and improve test suite resilience"

This reverts commit 90d44bd3bc.

entrypoint.sh.tmpl

@@ -1,13 +1,13 @@
 #!/bin/bash
 
-{{ if (getenv "PHP_EXTENSIONS") }}
-docker-php-ext-install {{ getenv "PHP_EXTENSIONS" }}
+{{ if (env "PHP_EXTENSIONS") }}
+docker-php-ext-install {{ env "PHP_EXTENSIONS" }}
 {{ end }}
 
 curl -z /usr/local/bin/wp -o /usr/local/bin/wp https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
 chmod +x /usr/local/bin/wp
 
-{{ if eq (getenv "ENABLE_COMPOSER") "1" }}
+{{ if eq (env "ENABLE_COMPOSER") "1" }}
 mkdir -p /var/www/.composer
 chown www-data:www-data /var/www/.composer /var/www/html/composer
 
@@ -19,18 +19,18 @@ rm /tmp/composer-setup.php
 mv /var/www/html/composer.phar /usr/local/bin/composer
 {{ end }}
 
-{{ if eq (getenv "CORS_ALLOW_ALL") "1" }}
+{{ if eq (env "CORS_ALLOW_ALL") "1" }}
 a2enmod headers
 sed -ri -e 's/^([ \t]*)(<\/VirtualHost>)/\1\tHeader set Access-Control-Allow-Origin "*"\n\1\2/g' /etc/apache2/sites-available/*.conf
 {{ end }}
 
-{{ if eq (getenv "MULTISITE") "enable" }}
+{{ if eq (env "MULTISITE") "enable" }}
 export WORDPRESS_CONFIG_EXTRA="$WORDPRESS_CONFIG_EXTRA
 define('WP_CACHE', false);
 define('WP_ALLOW_MULTISITE', true );"
 {{ end }}
 
-{{ if or (eq (getenv "MULTISITE") "subdomain") (eq (getenv "MULTISITE") "subfolder") }}
+{{ if or (eq (env "MULTISITE") "subdomain") (eq (env "MULTISITE") "subfolder") }}
 export WORDPRESS_CONFIG_EXTRA="$WORDPRESS_CONFIG_EXTRA
 define('MULTISITE', true);
 define('SUBDOMAIN_INSTALL', true);
@@ -56,7 +56,7 @@ fi
 
 chown -R --from=root:root www-data:www-data /var/www/html/wp-content/
 
-if [ $# -gt 0 ]; then
+if [ -n "$@" ]; then
 	"$@"
 fi