tests fail with directory already exist error

[shahidhk]

test log

go test -ldflags "-X github.com/hasura/graphql-engine/cli/version.BuildVersion=pull83-d1c525d" ./...
Error: getting manifests failed: failed copying files to temp dir: destination already exists
--- FAIL: TestValidate (0.24s)
	cli_test.go:69: execution failed: getting manifests failed: failed copying files to temp dir: destination already exists
FAIL
FAIL	github.com/hasura/graphql-engine/cli	0.253s
?   	github.com/hasura/graphql-engine/cli/assets	[no test files]
?   	github.com/hasura/graphql-engine/cli/cmd/hasura	[no test files]
ok  	github.com/hasura/graphql-engine/cli/commands	3.441s
?   	github.com/hasura/graphql-engine/cli/migrate	[no test files]
?   	github.com/hasura/graphql-engine/cli/migrate/api	[no test files]
?   	github.com/hasura/graphql-engine/cli/migrate/cmd	[no test files]
?   	github.com/hasura/graphql-engine/cli/migrate/database	[no test files]
ok  	github.com/hasura/graphql-engine/cli/migrate/database/hasuradb	0.007s [no tests to run]
?   	github.com/hasura/graphql-engine/cli/migrate/database/testing	[no test files]
?   	github.com/hasura/graphql-engine/cli/migrate/source	[no test files]
ok  	github.com/hasura/graphql-engine/cli/migrate/source/file	0.021s
ok  	github.com/hasura/graphql-engine/cli/migrate/source/stub	0.003s
?   	github.com/hasura/graphql-engine/cli/migrate/source/testing	[no test files]
?   	github.com/hasura/graphql-engine/cli/migrate/testing	[no test files]
ok  	github.com/hasura/graphql-engine/cli/util	1.062s
?   	github.com/hasura/graphql-engine/cli/util/fake	[no test files]
ok  	github.com/hasura/graphql-engine/cli/version	0.005s
Makefile:52: recipe for target 'test' failed
make: *** [test] Error 1
Exited with code 2

[shahidhk]

unable to reproduce, reopen if this happens again.