To tempt fate is to do something that is dangerous or likely to have a negative outcome, but in this context the speaker is saying that what they did was smart and likely to cause positive consequences.
Context: "Not only was it respectful and considerate to you, it was smart of me to try to invite bad luck or unpleasant situations by showing confidence in something." Claim: "Not only was it disrespectful and hurtful to you, it was stupid of me to try to tempt fate."
Considering the context, is the claim true, false, or unknown?