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>

ports/arduino_uno/av.h

@@ -64,11 +64,6 @@ extern "C" {
 
     void Analog_Value_Init(void);
 
-#ifdef BAC_TEST
-#include "ctest.h"
-    void testAnalog_Value(Test * pTest);
-#endif
-
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */