There is a strong possibility that the protection did not break while he was in, otherwise you would have felt it immediately.
However only to give you relief and comfort, your 6 weeks test is highly reassuring and it is extremely unlikely to change otherwise in the weeks to come.
Though you were not exposed to the risk, you do not need any test, you may repeat it after another 6 weeks only to throw your residual worries to rest permanently, after getting a conclusive results in hand, which will not be different from what you have got now