Merge pull request #181

Create test for SaveCommand

src/test/java/seedu/address/logic/commands/SaveCommandTest.java

@@ -0,0 +1,20 @@
+package seedu.address.logic.commands;
+
+import static seedu.address.logic.commands.CommandTestUtil.assertCommandSuccess;
+import static seedu.address.logic.commands.SaveCommand.MESSAGE_SUCCESS;
+
+import org.junit.jupiter.api.Test;
+
+import seedu.address.model.Model;
+import seedu.address.model.ModelManager;
+
+public class SaveCommandTest {
+    private Model model = new ModelManager();
+    private Model expectedModel = new ModelManager();
+
+    @Test
+    public void execute_save_success() {
+        CommandResult expectedCommandResult = new CommandResult(MESSAGE_SUCCESS, false, false, true, false);
+        assertCommandSuccess(new SaveCommand(), model, expectedCommandResult, expectedModel);
+    }
+}