diff --git a/phpunit.xml b/phpunit.xml
index 8f4b58c..39c5df8 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
+         bootstrap="src/autoload.php"
          colors="true"
 >
     <testsuites>
diff --git a/src/User.php b/src/User.php
new file mode 100644
index 0000000..854d30d
--- /dev/null
+++ b/src/User.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace TestProject;
+
+use InvalidArgumentException;
+
+class User
+{
+    public int $age;
+    public array $favorite_movies = [];
+    public string $name;
+
+    /**
+     * @param int $age
+     * @param string $name
+     */
+    public function __construct(int $age, string $name)
+    {
+        $this->age = $age;
+        $this->name = $name;
+    }
+
+    public function tellName(): string
+    {
+        return "My name is " . $this->name . ".";
+    }
+
+    public function tellAge(): string
+    {
+        return "I am " . $this->age . " years old.";
+    }
+
+    public function addFavoriteMovie(string $movie): bool
+    {
+        $this->favorite_movies[] = $movie;
+
+        return true;
+    }
+
+    public function removeFavoriteMovie(string $movie): bool
+    {
+        if (!in_array($movie, $this->favorite_movies)) throw new InvalidArgumentException("Unknown movie: " . $movie);
+
+        unset($this->favorite_movies[array_search($movie, $this->favorite_movies)]);
+
+        return true;
+    }
+}
diff --git a/src/autoload.php b/src/autoload.php
new file mode 100644
index 0000000..43e515f
--- /dev/null
+++ b/src/autoload.php
@@ -0,0 +1,3 @@
+<?php
+
+require __DIR__ . "/../src/User.php";