Refactor "subcommands + no action + unknown option when allowed" test

- Make the test name more precise
- Move the test to a place where it fits better

tests/command.allowUnknownOption.test.js

@@ -100,4 +100,20 @@ describe('allowUnknownOption', () => {
     const result = program.parseOptions(['-m']);
     expect(result).toEqual({ operands: ['-m'], unknown: [] });
   });
+
+  test('when specify only unknown program option and allowUnknownOption and program has subcommands and no action handler then display help', () => {
+    const program = new commander.Command();
+    program
+      .configureHelp({ formatHelp: () => '' })
+      .exitOverride()
+      .allowUnknownOption()
+      .command('foo');
+    let caughtErr;
+    try {
+      program.parse(['--unknown'], { from: 'user' });
+    } catch (err) {
+      caughtErr = err;
+    }
+    expect(caughtErr.code).toEqual('commander.help');
+  });
 });

tests/command.helpCommand.test.js

@@ -21,22 +21,6 @@ describe('help command listed in helpInformation', () => {
     expect(helpInformation).toMatch(/help \[command\]/);
   });
 
-  test('when program has subcommands and specify only unknown option then display help', () => {
-    const program = new commander.Command();
-    program
-      .configureHelp({ formatHelp: () => '' })
-      .exitOverride()
-      .allowUnknownOption()
-      .command('foo');
-    let caughtErr;
-    try {
-      program.parse(['--unknown'], { from: 'user' });
-    } catch (err) {
-      caughtErr = err;
-    }
-    expect(caughtErr.code).toEqual('commander.help');
-  });
-
   test('when program has subcommands and suppress help command then no help command', () => {
     const program = new commander.Command();
     program.addHelpCommand(false);