tests Makefile: add rules to run C tests iwth specific sanitizer

Makefile

@@ -25,7 +25,7 @@ minishell_objs = $(addsuffix .o,src/$(NAME)) $(objs)
 all_objs = $(minishell_objs)
 deps = $(all_objs:.o=.d)
 
-.PHONY: all clean fclean re norm tests ctests
+.PHONY: all clean fclean re norm tests ctests ctestsa ctestsub ctestst
 
 all: $(NAME)
 
@@ -62,19 +62,26 @@ tests:
 	@echo "Running tests with AddressSanitizer..."
 	+CFLAGS="$(CFLAGS) $(ASAN)" make re
 	shellspec
-	+CFLAGS="$(CFLAGS) $(ASAN)" make ctests
+	+make ctestsa
 
 	@echo "Running tests with UndefinedBehaviourSanitizer..."
 	+CFLAGS="$(CFLAGS) $(UBSAN)" make re
 	shellspec
-	+CFLAGS="$(CFLAGS) $(UBTSAN)" make ctests
+	+make ctestsub
 
 	@echo "Running tests with ThreadSanitizer..."
 	+CFLAGS="$(CFLAGS) $(TSAN)" make re
 	shellspec
-	+CFLAGS="$(CFLAGS) $(TSAN)" make ctests
+	+make ctestst
 
 	@echo "All tests passed!"
 
 ctests: $(LIBFT)
 	+make -C tests
+
+ctestsa: CFLAGS += $(ASAN)
+ctestsa: ctests
+ctestsub: CFLAGS += $(UBSAN)
+ctestsub: ctests
+ctestst: CFLAGS += $(TSAN)
+ctestst: ctests