src/cmd/go/testdata/script/mod_download_json.txt - go.git - Git at Google

 env GO111MODULE=on
 env GOSUMDB=$sumdb' '$proxy/sumdb-wrong

 # download -json with version should print JSON on sumdb failure
 ! go mod download -json 'rsc.io/quote@<=v1.5.0'
 stdout '"Error": ".*verifying (module|go.mod)'

 -- go.mod --
 module m
	env GO111MODULE=on
	env GOSUMDB=$sumdb' '$proxy/sumdb-wrong

	# download -json with version should print JSON on sumdb failure
	! go mod download -json 'rsc.io/quote@<=v1.5.0'
	stdout '"Error": ".*verifying (module\|go.mod)'

	-- go.mod --
	module m