public void StudentInstanceIdentifier_WhenCorrectValueEntered_ShouldAcceptWithNoValidationErrors()
{
// Arrange
string studentInstanceIdentifier = RandomStrings.GetRandomAlphabets(10);
// Act
Learners_LearnerListObjects learnerTab = WindowObjects.Windows.Main.SelectLearnerTab;
learnerTab.ClickAddLearnerButton();
LearningDeliveryObjects learningDeliveryTab = WindowObjects.Windows.Main.SelectLearningDeliveryTab;
learningDeliveryTab.ClickAddLearnerButton();
learningDeliveryTab.SelectLearningDeliveryHETab();
learningDeliveryTab.SetStudentInstanceIdentifierTextBox(studentInstanceIdentifier);
// Assert
var error = learningDeliveryTab.GetStudentInstanceIdentifierValidationMessage;
TakeScreenShot();
Assert.True(string.IsNullOrEmpty(error), $"Validation failed for an invalid Student Instance Identifier {studentInstanceIdentifier}");
}