GolangTest compiles the unit tests found in pkgs and runs them in a QEMU VM.

QEMU builds the u-root environment and prepares QEMU options given the test options and environment variables.

SkipWithoutQEMU skips the test when the QEMU environment variables are not set.

TestArch returns the architecture under test.

TestLineWriter is an io.Writer that logs full lines of serial to tb.

Options are integration test options.