tests: print MM logs only on verbose test mode

Therefore, avoid needing ENABLE_TEST_MESSAGE_TRACES build symbol.

src/tests/test-at-serial-port.c

@@ -71,17 +71,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)

src/tests/test-charsets.c

@@ -411,17 +411,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)

src/tests/test-modem-helpers-qmi.c

@@ -316,17 +316,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)

src/tests/test-modem-helpers.c

@@ -4425,17 +4425,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 #define TESTCASE(t, d) g_test_create_case (#t, 0, d, NULL, (GTestFixtureFunc) t, NULL)

src/tests/test-qcdm-serial-port.c

@@ -444,17 +444,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 typedef void (*TCFunc) (TestData *, gconstpointer);

src/tests/test-sms-part-3gpp.c

@@ -847,17 +847,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)

src/tests/test-sms-part-cdma.c

@@ -511,17 +511,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)

src/tests/test-udev-rules.c

@@ -22,9 +22,6 @@
 #define _LIBMM_INSIDE_MM
 #include <libmm-glib.h>
 
-/* Define symbol to enable test message traces */
-#undef ENABLE_TEST_MESSAGE_TRACES
-
 #include "mm-kernel-device-generic-rules.h"
 #include "mm-log.h"
 
@@ -53,17 +50,17 @@ _mm_log (const char *loc,
          const char *fmt,
          ...)
 {
-#if defined ENABLE_TEST_MESSAGE_TRACES
-    /* Dummy log function */
     va_list args;
     gchar *msg;
 
+    if (!g_test_verbose ())
+        return;
+
     va_start (args, fmt);
     msg = g_strdup_vprintf (fmt, args);
     va_end (args);
     g_print ("%s\n", msg);
     g_free (msg);
-#endif
 }
 
 int main (int argc, char **argv)