public void Error4ContainsErrorMsg()
 {
     Assert.IsTrue(BiRResponseXMLParser.ContainsError(XMLResponseGenerator.Error4Response));
 }
 public void EmptyContainsErrorMsg()
 {
     Assert.Throws <ArgumentNullException>(() => BiRResponseXMLParser.ContainsError(string.Empty));
 }
 public void CorrectCompanyContainsErrorMsg()
 {
     Assert.IsFalse(BiRResponseXMLParser.ContainsError(XMLResponseGenerator.CorrectPrawnaCompany1DaneRaportResponse));
 }
 public void NullContainsErrorMsg()
 {
     Assert.Throws <ArgumentNullException>(() => BiRResponseXMLParser.ContainsError(null));
 }