Issue 87 execute tests with GitHub ci (#234)

* Enable lcov coverage in unit testing via cmake.

* fix pipeline build error

* add compile options for unit test to silence some warnings

* remove all BAC_TEST unit tests in src/bacnet/ folder. They are now in test/bacnet/ folders using ztest.

* removed key.c - only used for unit test.

* produce XML test result output for parsing

* produce junit XML test result output

* change lint workflow to quality

* update readme badge for quality results

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

test/bacnet/basic/object/objects/CMakeLists.txt

@@ -34,7 +34,6 @@ add_executable(${PROJECT_NAME}
     # File(s) under test
 	${SRC_DIR}/bacnet/basic/object/objects.c
     # Support files and stubs (pathname alphabetical)
-	${SRC_DIR}/bacnet/basic/sys/key.c
 	${SRC_DIR}/bacnet/basic/sys/keylist.c
     # Test and test library files
 	./src/main.c