Many of the tests had missing '// Output:' comment, so were not runnable. They required fining.
I moved the files up as they are shared between e2e & integrational tests.
path change in clientv3/yaml/config_test git mv clientv3/naming/grpc_test.go tests/integration/clientv3/grpc_test.go git mv clientv3/snapshot/*_test.go tests/integration/snapshot git mv clientv3/{main_test.go,example_*.go} tests/integration/clientv3/examples/