add skeleton for runtime unittests

test/CMakeLists.txt

 set(TEST_SOURCES
   lex.c
+  runtime.c
   main.c)
 
 add_executable(cherry-testsuite ${TEST_SOURCES})

test/runtime.c

+/*
+ * Cherry programming language
+ * Copyright (C) 2013 Christoph Mueller
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <crystal/unittest.h>
+#include <cherry/runtime.h>
+
+static void test_symbollist(const_pointer data)
+{
+	
+}
+
+void test_suite_runtime()
+{
+	cry_unittest_run("org.cherry.runtime/symbollist", test_symbollist, 0, 100);
+}
+