in Sources/XCTest/Private/TestFiltering.swift [55:67]
init?(selectedTestName: String) {
let components = selectedTestName.split(separator: "/").map(String.init)
switch components.count {
case 1:
testCaseClassName = components[0]
testCaseMethodName = nil
case 2:
testCaseClassName = components[0]
testCaseMethodName = components[1]
default:
return nil
}
}