it should return an empty string when the input is an empty string
"".cleanString.should.equal("");
it should return the input value when it has one char
"'".cleanString.should.equal("'");
it should remove the " from start and end of the string
`""`.cleanString.should.equal(``);
it should remove the ' from start and end of the string
`''`.cleanString.should.equal(``);