diff --git a/tests/Feature/ApiV2/CustomerTest.php b/tests/Feature/ApiV2/CustomerTest.php
index bf144b4..fc7ba50 100644
--- a/tests/Feature/ApiV2/CustomerTest.php
+++ b/tests/Feature/ApiV2/CustomerTest.php
@@ -64,6 +64,32 @@ class CustomerTest extends ApiBase
         $this->assertNotEmpty($json->json('data.hashcode'));
     }
 
+    /**
+     * route: apiV2.customers.authenticate
+     */
+    public function testApiAuthenticateCustomerShouldFail()
+    {
+        extract($this->getCustomer());
+        $response = $this->callApiWithToken(
+            $service,
+            'post',
+            route('apiV2.customers.authenticate', []),
+            [
+                'email' => $customer->email,
+                'password' => 'testPasswords'
+            ]
+        );
+
+        $json = $response->decodeResponseJson();
+
+        $this->assertApiResponseStatusIs($json, ApiStatus::KO());
+        $this->assertNotEmpty($json->json('data'));
+        $this->assertNotEmpty($json->json('data.message'));
+        $this->assertNotEmpty($json->json('data.code'));
+        $this->assertEquals(ApiError::authFailed()->value, $json->json('data.code'));
+        $this->assertEquals(ApiError::authFailed()->label, $json->json('data.message'));
+    }
+
     /**
      * route: apiV2.customers.store
      */