Add Test Cases

src/main/java/seedu/address/logic/commands/HelpCommand.java

@@ -42,11 +42,21 @@ public class HelpCommand extends Command {
     private final String message;
     private final boolean isHelp;
 
+    /**
+     * Constructs a {@code HelpCommand} with a custom help message.
+     * This constructor is used when a specific help message is needed.
+     *
+     * @param message the custom help message to be shown when the command is executed
+     */
     public HelpCommand(String message) {
         this.message = message;
         this.isHelp = false;
     }
 
+    /**
+     * Constructs a {@code HelpCommand} with the default help message.
+     * This constructor is used when general help information is requested.
+     */
     public HelpCommand() {
         this.message = SHOWING_HELP_MESSAGE;
         this.isHelp = true;

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

@@ -15,6 +15,6 @@ public class HelpCommandTest {
     @Test
     public void execute_help_success() {
         CommandResult expectedCommandResult = new CommandResult(SHOWING_HELP_MESSAGE, true, false);
-        assertCommandSuccess(new HelpCommand(SHOWING_HELP_MESSAGE), model, expectedCommandResult, expectedModel);
+        assertCommandSuccess(new HelpCommand(), model, expectedCommandResult, expectedModel);
     }
 }

src/test/java/seedu/address/logic/parser/AddressBookParserTest.java

@@ -83,8 +83,7 @@ public void parseCommand_find() throws Exception {
     @Test
     public void parseCommand_help() throws Exception {
         assertTrue(parser.parseCommand(HelpCommand.COMMAND_WORD) instanceof HelpCommand);
-        //assertEquals(parser.parseCommand(HelpCommand.COMMAND_WORD + " list"),
-        //        new HelpCommand(HelpCommand.HELP_LIST));
+        assertTrue(parser.parseCommand(HelpCommand.COMMAND_WORD + " list") instanceof HelpCommand);
     }
 
     @Test