text: const 	chai 		= require('chai'),
  		equal 		= chai.assert.strictEqual,
  		method 		= 'shiftY',
  		{dynamic} 	= require('../_values.js'),
  		{
  			input,
  			rowStart,
  		} 	= dynamic,
  		shift = 1;
  
  module.exports = (A1) =>
  {
  	describe(`new A1('${input}').${method}(${shift}) // Positive tests only`, () =>
  	{
  		describe('Must be a valid number:', () =>
  		{
  			it(
  				`${rowStart} ${method} ${shift} = ${rowStart + shift}`,
  				() => equal(new A1(input)[method](shift).getRow(), rowStart + shift)
  			);
  		});
  	});
  }
  