Add e2e tests (#1)

* Initial effort

* Simplify setup

* First test

* Another test

* Finalise responsive test

* Further tests for auto device type switching

* Document how to run tests

.distignore

@@ -12,6 +12,7 @@
 .gitignore
 .prettierignore
 .prettierrc.js
+.wp-env.override.json
 package-lock.json
 package.json
 phpcs.xml

.gitignore

@@ -1,4 +1,5 @@
 node_modules
 build/
 vendor/
-.DS_Store
+.DS_Store
+/artifacts

.wp-env.override.json

@@ -0,0 +1,6 @@
+{
+    "core": null,
+    "plugins": [ "." ],
+    "port": 4012,
+    "testsPort": 4013
+}

getdave-responsive-navigation-block.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Plugin Name:       Responsive Navigation Block - control your menus based on screen size.
+ * Plugin Name:       Responsive Navigation Block
  * Description:       Allows you to show different navigation menus based on the screen size using the Navigation block.
  * Requires at least: 6.5
  * Version:           1.0.2
@@ -108,7 +108,7 @@ function generate_block_breakpoints_css( $breakpoint, $unit ) {
 	$breakpoint = absint( $breakpoint );
 	$unit       = sanitize_text_field( $unit );
 
-    return '
+	return '
         @media (min-width: ' . esc_attr( $breakpoint ) . esc_attr( $unit ) . ') {
             .wp-block-navigation.' . esc_attr( GDRNB_MOBILE_NAV_CLASS ) . ' {
                 display: none;