aEqual( 'expected' : 'actual' [: 'fieldName');
Compares the given String values 'expected' and
'actual'. The assertion fails, if both values are different.
void
Example:
aEqual( 'Hello' : 'Hello' );
// No exception message => OK.
aEqual( 'HelloWorld' : 'Hello' );
// Never reached!
Call "aEqual" Using
By Content expected
By Content actual
[By Content "fieldName".