public function testIfItReturnMostRepeatedValueInStringArray()
 {
     $array = ['Apple', 'Orange', 'Plum', 'Apple', 'Grape', 'Apple'];
     $utils = new ArrayUtils();
     $mostRepeatedValue = $utils->mostRepeatedValue($array);
     $this->assertEquals('Apple', $mostRepeatedValue);
 }