Added dump helper to Expectation class

src/Expectation.php

@@ -76,6 +76,22 @@ final class Expectation
         return $this->toBeJson()->and($value);
     }
 
+    /**
+     * Dump the expectation value.
+     *
+     * @return self<TValue>
+     */
+    public function dump(mixed ...$arguments): self
+    {
+        if (function_exists('dump')) {
+            dump($this->value, ...$arguments);
+        } else {
+            var_dump($this->value);
+        }
+
+        return $this;
+    }
+
     /**
      * Dump the expectation value and end the script.
      *