test: move all module tests to the test/ directory

test/ds/uuids.c

@@ -0,0 +1,14 @@
+#include <blue/ds/uuid.h>
+#include <stdio.h>
+
+int main(void)
+{
+	b_uuid *uuid = b_uuid_create_from_cstr(
+		"5b80ad1f-367f-4a1f-88f3-b3a6f8d1f63d");
+	char str[B_UUID_STRING_MAX];
+	b_uuid_to_cstr(uuid, str);
+	printf("%s\n", str);
+
+	b_uuid_unref(uuid);
+	return 0;
+}