Unit test runner expects to see the test name echoed after test
selection is made. If the unit test immediately goes into sleep mode,
UART output will not be complete, and test runner will not see the
test name. This flushes the stream buffer and waits for UART FIFO to
be empty before starting the test.
Additionally some parts of code used unity_printf and some used
printf. Since unity_printf was only useful during very early tests
when newlib was not available, replace all its usages with printf.
current unit-test-app don't support test components need to communicate
with each other (like GPIO, SPI ...). Now we add multiple devices mode
to unit test app, support writing and running test with multiple DUTs.
please refer to `docs/api-guides/unit-tests.rst` for detail.
rename nvs host test folder, modify .gitlab-ci.yml
remove unit-test-app build
re-format unit test files
remove extra newlines in project.mk
some refactoring for unit test part in project.mk
add build files of unit-test-app in gitignore
add README.md for unit test app
correct headings in README.md
remove files and make minor tweaks in unit test app
update .gitlab-ci.yml to use unit test app
delete unused lines in component_wrapper.mk
delete periph_i2s.h and lcd test
add text floating point in components/esp32/test/Kconfig
correct idf test build paths in .gitlab-ci.yml
