go-ethereum/eth/tracers/internal/tracetest
..
testdata
calltrace_test.go
flat_calltrace_test.go
makeTest.js
prestate_test.go
README.md
supply_test.go
util.go

Filling test cases

To fill test cases for the built-in tracers, the makeTest.js script can be used. Given a transaction on a dev/test network, makeTest.js will fetch its prestate and then traces with the given configuration. In the Geth console do:

let tx = '0x...'
loadScript('makeTest.js')
makeTest(tx, { tracer: 'callTracer' })