Berlin

 /**
     * @test
     * @dataProvider berlinClockProvider
     */
    public function mixedTestCases($input_time, $expected_result)
    {
        $transformer = new Transformer;
        $result = $transformer->fromDigitalToBerlin($input_time);

        $this->assertEquals($expected_result, $result, "Something went wrong with cases provided by berlinClockProvider");
    }

    public function berlinClockProvider()
    {
        return [
            [
                '00:00:00',
                [
                    'seconds'    => '1',
                    'hours_5x'   => '0000',
                    'hours_1x'   => '0000',
                    'minutes_5x' => '00000000000',
                    'minutes_1x' => '0000'
                ]
            ],
            [
                '17:23:45',
                [
                    'seconds'    => '0',
                    'hours_5x'   => '1110',
                    'hours_1x'   => '1100',
                    'minutes_5x' => '11110000000',
                    'minutes_1x' => '1110'
                ]
            ],
            [
                '04:59:59',
                [
                    'seconds'    => '0',
                    'hours_5x'   => '0000',
                    'hours_1x'   => '1111',
                    'minutes_5x' => '11111111111',
                    'minutes_1x' => '1111',
                ]
            ]
        ];
    }