Issue 187 enable skipped ztest suites (#189)

* Fix some ztests that were skipped

* Expose bacapp_same_value()

* Fix bacapp, ptransfer tests

* Fix bugs in Load_Control object & tests

* refactor days functions from datetime module

* fix legacy ctests

* Add bacnet/basic/sys/days.[ch] to Zephyr build

* Update ztest to match from Zephyr v2.6.0; update ringbuf, datetime to build

* Fixup ztest test for object/acc

* Fix bvlc_address_from_ascii; enable/fix bvlc test

* Comment cleanup

* test/bacnet/basic/object/lc partially enabled

* Fix bacapp_decode_data_len return status on erroneous input

* fix ztest include fatal error

* fix ztest strsignal reference fatal error

* fix zassert_mem_equal reference syntax error

* fix zassert_mem_equal reference syntax error

Co-authored-by: Gregory Shue <gregory.shue@legrand.us>
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

src/bacnet/bacapp.h

@@ -256,22 +256,11 @@ extern "C" {
 #define bacapp_print_value(x,y) 			   false
 #endif
 
-#ifdef BAC_TEST
-#include "ctest.h"
-#include "bacnet/datetime.h"
     BACNET_STACK_EXPORT
     bool bacapp_same_value(
         BACNET_APPLICATION_DATA_VALUE * value,
         BACNET_APPLICATION_DATA_VALUE * test_value);
 
-    BACNET_STACK_EXPORT
-    void testBACnetApplicationDataLength(
-        Test * pTest);
-    BACNET_STACK_EXPORT
-    void testBACnetApplicationData(
-        Test * pTest);
-#endif
-
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */