test: test_complib doesn't depend on a default lib

modules/conop/tests/CMakeLists.txt

@@ -5,12 +5,12 @@ set(OST_CONOP_UNIT_TESTS
   test_rule_based_conop.cc 
   helper.cc
   test_processor.py
+  test_complib.py
 )
 
 if (COMPOUND_LIB)
   list(APPEND OST_CONOP_UNIT_TESTS test_compound.py
-                                   test_cleanup.py
-                                   test_complib.py)
+                                   test_cleanup.py)
 endif()
 
 ost_unittest(MODULE conop