In Korean tradition, dreaming of passing or winning is read as mixed. It is most often tied to 학업, 직장.
Passing or winning often just mirrors the wish, and tradition sometimes read it as a caution against complacency; failing was read in reverse as a good sign.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream