Update CMakeLists

Fix errors.

CMakeLists.txt

@@ -30,17 +30,17 @@ add_executable(
     src/types/int.h
 )
 
-set_target_properties (test-int PROPERTIES RUNTIME_OUTPUT_DIRECTORY tests)
+set_target_properties (test_int PROPERTIES RUNTIME_OUTPUT_DIRECTORY tests)
 
 add_test(
-  NAME test-int
-  COMMAND test-int
+  NAME test_int
+  COMMAND test_int
   WORKING_DIRECTORY tests
 )
 
 add_custom_command(
-  TARGET test-int POST_BUILD
+  TARGET test_int POST_BUILD
   COMMAND ${CMAKE_COMMAND} -E copy_if_different
   "${CMAKE_HOME_DIRECTORY}/fixtures/test-int.ini"
-  $<TARGET_FILE_DIR:test-int>
+  $<TARGET_FILE_DIR:test_int>
 )