diff --git a/bootstrap.php b/bootstrap.php
index b650647..3b92cf7 100644
--- a/bootstrap.php
+++ b/bootstrap.php
@@ -4,30 +4,11 @@
 
 require_once 'vendor/autoload.php';
 
-# The WP test suite assumes the existence of classes that only exist in
-# version 9 and older of PHPUnit. This solves that.
-if ( 1 === version_compare( \PHPUnit\Runner\Version::id(), '10' ) ) {
-    require __DIR__ . '/supressors/SupressFramework.php';
-    require __DIR__ . '/supressors/SupressFrameworkError.php';
-}
-
 use Aldavigdis\WpTestsStrapon\Bootstrap;
-use Aldavigdis\WpTestsStrapon\FetchWP;
-
-if (getenv('WP_VERSION') === false) {
-    putenv('WP_VERSION=master');
-}
+use Aldavigdis\WpTestsStrapon\SetEnv;
 
-if (defined('WP_TESTS_CONFIG_FILE_PATH') === false) {
-    define(
-        'WP_TESTS_CONFIG_FILE_PATH',
-        Aldavigdis\WpTestsStrapon\Config::path()
-    );
-}
+SetEnv::supress();
+SetEnv::setWpVersion();
+SetEnv::setConfigFilePath();
 
 Bootstrap::init(getenv('WP_VERSION'));
-
-require FetchWP::extractDirPath() . 'wordpress-develop-trunk/tests/phpunit/includes/functions.php';
-ob_start();
-require FetchWP::extractDirPath() . 'wordpress-develop-trunk/tests/phpunit/includes/bootstrap.php';
-ob_end_clean();
diff --git a/composer.lock b/composer.lock
index 4ebdb19..31dcc02 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "dbc4d02b7215ae5dfb1ffd28e87ce7ea",
+    "content-hash": "50e46c0920f200025eafd691dede4e62",
     "packages": [
         {
             "name": "myclabs/deep-copy",
diff --git a/src/Bootstrap.php b/src/Bootstrap.php
index 7b2cfe5..dfa5fb4 100644
--- a/src/Bootstrap.php
+++ b/src/Bootstrap.php
@@ -384,6 +384,14 @@ public static function init(string $wp_version): void
         self::displayLine('Bye!', '👋');
 
         self::displaySeparator();
+
+        require FetchWP::extractDirPath() .
+        'wordpress-develop-trunk/tests/phpunit/includes/functions.php';
+
+        ob_start();
+        require FetchWP::extractDirPath() .
+        'wordpress-develop-trunk/tests/phpunit/includes/bootstrap.php';
+        ob_end_clean();
     }
 
     /**
diff --git a/src/SetEnv.php b/src/SetEnv.php
new file mode 100644
index 0000000..f6183eb
--- /dev/null
+++ b/src/SetEnv.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aldavigdis\WpTestsStrapon;
+
+use Aldavigdis\WpTestsStrapon\Config;
+
+/**
+ * The SetEnv class initiates environment variables and global constants and
+ * helps us with going around limitations set by PHPUnit 9
+ */
+class SetEnv {
+    /**
+     * Supress PHPUnit framework errors if the current version of PHPUnit is
+     * version 10 or newer.
+     *
+     * This is because WordPress itself is stuck with version 9 of PHPUnit and
+     * thus assumes certain classes to exsist. If we don't fake them like this,
+     * the WP test suite will throw an error.
+     */
+    public static function supress(): void {
+        if ( 1 === version_compare( \PHPUnit\Runner\Version::id(), '10' ) ) {
+            require __DIR__ . '/../supressors/SupressFramework.php';
+            require __DIR__ . '/../supressors/SupressFrameworkError.php';
+        }
+    }
+
+    /**
+     * Set the WP_VERSION environment variable if it is not set already
+     */
+    public static function setWpVersion(): void {
+        if (getenv('WP_VERSION') === false) {
+           putenv('WP_VERSION=master');
+        }
+    }
+
+    /**
+     * Set the global WP_TESTS_CONFIG_FILE_PATH constant if not set already
+     */
+    public static function setConfigFilePath(): void {
+        if (defined('WP_TESTS_CONFIG_FILE_PATH') === false) {
+            define(
+                'WP_TESTS_CONFIG_FILE_PATH',
+                Config::path()
+             );
+        }
+    }
+}
\ No newline at end of file