Rapid tests are at their most accurate when someone is at their peak infectiousness. Accuracy declines swiftly before or after that. So the use you made of the

Rapid tests are at their most accurate when someone is at their peak infectiousness. Accuracy declines swiftly before or after that. So the use you made of them didn’t fit their ideal use case, as you used them several days before travel. Even then, with symptoms, I am not sure they would be enough to rule out a positive. The biggest use of rapid tests is finding additional positives that would not otherwise have been found.