Correcting test-instruction.
Correcting instructions for test suite run.
# docker run -v `pwd`:/go/src/github.com/docker/docker --privileged -i -t docker bash
#
# # Run the test suite:
-# docker run --privileged docker hack/make.sh test-unit test-integration-cli test-docker-py
+# docker run -e DOCKER_GITCOMMIT=foo --privileged docker hack/make.sh test-unit test-integration-cli test-docker-py
#
# # Publish a release:
# docker run --privileged \
