zdtm: fix msg reporting

avoid err() for regular msg reporting
Acked-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/zdtm/live/static/grow_map03.c

@@ -29,7 +29,7 @@ int main(int argc, char **argv)
 	addr1 = mmap(start_addr + PAGE_SIZE * 5, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, -1, 0);
 	addr2 = mmap(start_addr + PAGE_SIZE * 3, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, -1, 0);
 
-	err("%p %p\n", addr1, addr2);
+	test_msg("%p %p\n", addr1, addr2);
 
 	test_daemon();
 	test_waitsig();

test/zdtm/live/static/selfexe00.c

@@ -37,7 +37,7 @@ int main(int argc, char *argv[])
 		exit(1);
 	}
 	path_before[ret] = 0;
-	err("%s\n", path_before);
+	test_msg("%s\n", path_before);
 
 	test_daemon();
 	test_waitsig();
@@ -49,7 +49,7 @@ int main(int argc, char *argv[])
 		exit(1);
 	}
 	path_after[ret] = 0;
-	err("%s\n", path_after);
+	test_msg("%s\n", path_after);
 
 	if (!strcmp(path_before, path_after))
 		pass();

test/zdtm/live/static/tty00.c

@@ -92,7 +92,7 @@ int main(int argc, char ** argv)
 			return 1;
 		}
 	} else
-		err("The child has been killed by %d", WTERMSIG(status));
+		test_msg("The child has been killed by %d\n", WTERMSIG(status));
 
 	pass();
 

test/zdtm/live/transition/maps007.c

@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 			t[0] = lrand48();
 		}
 	}
-	err("count %d", count);
+	test_msg("count %d\n", count);
 
 	if (child == 0) {
 		futex_set_and_wake(&shm->stop, 2);
@@ -152,7 +152,7 @@ int main(int argc, char **argv)
 				goto err;
 			}
 		}
-		err("readable %d", readable);
+		test_msg("readable %d\n", readable);
 		kill(child, SIGTRAP);
 		wait(NULL);
 		pass();