getting error .

@vincent15000 yea , here it is usersFactory

public function definition()
    {
        return [
            'name' => fake()->name(),
            'email' => fake()->unique()->safeEmail(),
            'email_verified_at' => now(),
            'password' => 'yIXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
            'remember_token' => Str::random(10),
        ];
    }

and how to declare it in a test file?

@Shivamyadav $user = User::factory()->create();

Here is the documentation with the right syntax.

https://laravel.com/docs/9.x/eloquent-factories#creating-models-using-factories

@vincent15000 now its telling me that , title field is required

  public function test_a_project_requires_a_title()
    {
        
        $user = User::factory()->create();
        $this->actingAs($user);
        // parent::setUp();
        $this->withoutExceptionHandling();
        $attributes = Project::factory()->raw(['title' => '']);
        $this->post('/projects', $attributes)->assertSessionHasErrors('title');
    }

@Shivamyadav That's because your title field is required and you don't give any title.