Added test file for mysql authentication (user@host, passwd)

Added test file for mysql authentication (user@host, passwd)

make -f ./makefile.mysql_users testall

server/core/test/makefile.mysql_users

@@ -0,0 +1,32 @@
+# cleantests 	- clean local and subdirectories' tests
+# buildtests	- build all local and subdirectories' tests
+# runtests	- run all local tests 
+# testall	- clean, build and run local and subdirectories' tests
+
+include ../../../build_gateway.inc
+include ../../../makefile.inc
+
+CC=cc
+DEBUG=Y
+cleantests:
+	- $(DEL) *.o 
+	- $(DEL) test_mysql_users
+	- $(DEL) *~
+
+testall: cleantests buildtests runtests
+
+buildtests : 
+	$(CC) $(CFLAGS) \
+	-I$(ROOT_PATH)/server/include \
+	-I$(ROOT_PATH)/utils \
+	-I$(ROOT_PATH)/log_manager \
+	test_mysql_users.c ../secrets.o ../service.o ../gwbitmask.o ../load_utils.o ../session.o ../poll.o ../dcb.o ../utils.o ../buffer.o ../gw_utils.o ../hashtable.o ../atomic.o ../spinlock.o ../users.o ../dbusers.o ../../../utils/skygw_utils.o ../../../log_manager/log_manager.o -o test_mysql_users -L$(EMBEDDED_LIB) -lmysqlclient -lpthread -lssl -lz -lm -lcrypt -lcrypto -ldl -laio -lrt -lstdc++
+runtests: 
+	@echo ""		
+	@echo "-------------------------------"
+	@echo $(shell date)			
+	@echo "Test MaxScale core"		
+	@echo "-------------------------------"
+	@echo ""			
+	@echo "MaxSclale Load MySQL users"
+	@./test_mysql_users