First, build the docker image:
docker build .
Next, run the docker image:
docker run -it $image
Finally, test it out:
docker exec -it $container \
testd/target/release/testc \
testd/target/arm-unknown-linux-gnueabihf/release/hello
This command will ship the hello binary to the emulator, run it, then receive
back the test results and print them out.