added bintreeTests to makefile as Target

makefile

@@ -35,8 +35,11 @@ $(program_obj_filesobj_files): %.o: %.c
 # --------------------------
 # Unit Tests
 # --------------------------
-unitTests:
-	echo "needs to be implemented"
+# unitTests:
+#	echo "needs to be implemented"
+
+bintreeTests: bintree.o bintreeTests.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -o runbintreeTests bintreeTests.c bintree.o $(unityfolder)/unity.c
 
 # --------------------------
 # Clean