setUp()
testSetExcelCalendar()
testSetExcelCalendarWithInvalidValue()
testDateTimeExcelToPHP1900()
providerDateTimeExcelToPHP1900()
testDateTimePHPToExcel1900()
providerDateTimePHPToExcel1900()
testDateTimeFormattedPHPToExcel1900()
providerDateTimeFormattedPHPToExcel1900()
testDateTimeExcelToPHP1904()
providerDateTimeExcelToPHP1904()
testDateTimePHPToExcel1904()
providerDateTimePHPToExcel1904()
testIsDateTimeFormatCode()
providerIsDateTimeFormatCode()
testDateTimeExcelToPHP1900Timezone()
providerDateTimeExcelToPHP1900Timezone()