Fissuring is common in severe yeast infections. If these events indeed were typical yeast infections, especially if they responded promptly to fluconazole, there probably is no particular reason to be suspicious of herpes. Further, the confusion of herpes with yeast infections is pretty much limited to initial herpes. I have not seen cases of recurrent herpes that were easily mixed up with yeast.
Having said that, I cannot make an accurate judgement for any particular patient. If you are at risk for STD, or otherwise have concern about herpes, you certainly could be tested. But there is nothing in your story that makes me especially suspicious.
I hope this helps. Good luck-- HHH, MD