public async Task IsPasswordPwned_WhenCalledWithSecurePassword_ReturnsFalse()
        {
            // Arrange
            IHaveIBeenPwnedClient client = new HaveIBeenPwnedClient();

            // Act
            bool isPwnedPassword = await client.IsPasswordPwned("AV3ryLongS3cureP4ssw0rd(H0p3fully)");

            // Assert
            Assert.IsFalse(isPwnedPassword);
        }
        public async Task IsPasswordPwned_WhenCalledWithPwnedPassword_ReturnsTrue()
        {
            // Arrange
            IHaveIBeenPwnedClient client = new HaveIBeenPwnedClient();

            // Act
            bool isPwnedPassword = await client.IsPasswordPwned("password123");

            // Assert
            Assert.IsTrue(isPwnedPassword);
        }