tests: call g_test_run() even when skipping the test

It will return the 77 exit code itself. For TAP output it will also generate
the proper test skip marker.

include/nm-test-utils.h

@@ -103,9 +103,6 @@
 #include "nm-keyfile-internal.h"
 #endif
 
-/* Analog to EXIT_SUCCESS and EXIT_FAILURE. */
-#define EXIT_SKIP (77)
-
 /*******************************************************************************/
 
 /* general purpose functions that have no dependency on other nmtst functions */

src/platform/tests/test-common.c

@@ -295,7 +295,7 @@ main (int argc, char **argv)
 		return EXIT_FAILURE;
 #else
 		g_print ("Skipping test: requires root privileges (%s)\n", program);
-		return EXIT_SKIP;
+		return g_test_run ();
 #endif
 	}
 

src/rdisc/tests/test-rdisc-fake.c

@@ -439,7 +439,7 @@ main (int argc, char **argv)
 
 	if (nmtst_test_quick ()) {
 		g_print ("Skipping test: don't run long running test %s (NMTST_DEBUG=slow)\n", str_if_set (g_get_prgname (), "test-rdisc-fake"));
-		return EXIT_SKIP;
+		return g_test_run ();
 	}
 
 	nm_fake_platform_setup ();