//testing that the invalid date (empty, other charcters except -, /) is parsed correctly
public void TestThatInValidParseDateReturnsEmptystring()
{
Assert.AreEqual("", BinStatusParser.ParseDate(""));
}
//testing that the above date formats are parsed correctly
public void TestThatParseDateReturnsValidDateFormat(string dateString)
{
Assert.AreEqual("2018-07-02", BinStatusParser.ParseDate(dateString));
}
