tests: split of symtable testing into its own suite

makes sense to be there, not in the lisp API

test/test_symtable.c

@@ -0,0 +1,47 @@
+/* test_symtable.c: Symbol table tests
+ * Created: 2026-02-05
+ * Author: Aryadev Chavali
+ * License: See end of file
+ * Commentary:
+ */
+
+#include "./data.h"
+#include "./test.h"
+
+void symtable_test(void)
+{
+  sym_table_t table = {0};
+  sym_table_init(&table);
+  for (u64 i = 0; i < ARRSIZE(words); ++i)
+    sym_table_find(&table, SV((char *)words[i], strlen(words[i])));
+
+  TEST(table.count == ARRSIZE(unique_words), "%lu == %lu", table.count,
+       ARRSIZE(unique_words));
+
+  TEST_PASSED();
+
+  sym_table_cleanup(&table);
+}
+
+const test_fn TESTS_SYMTABLE[] = {
+    MAKE_TEST_FN(symtable_test),
+};
+
+const test_suite_t SYMTABLE_SUITE = {
+    .name  = "Symbol Table Tests",
+    .tests = TESTS_SYMTABLE,
+    .size  = ARRSIZE(TESTS_SYMTABLE),
+};
+
+/* Copyright (C) 2026 Aryadev Chavali
+
+ * 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 Version 2 for
+ * details.
+
+ * You may distribute and modify this code under the terms of the GNU General
+ * Public License Version 2, which you should have received a copy of along with
+ * this program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ */