To work most efficiently here are some ideas to help.
Have four terminal tabs or windows open. One for each of the following:
sdk directory that will run ./brjs servesdk directory to run create-* and test ... commandssdk directory that will run ./brjs test-server --no-browsergit ... commands. This will eventually be in apps/modularappWe recommend Google Chrome
Have three tabs open. One for each of the following:
For all three tabs have the developer tools open. Have it set up to pause on exceptions.