fix: fixes cli test starts UI bug in CI/CD (#1404)

## Description
The PR fixes issue with CLI unit tests, where some of the tests were
starting UI because of unexpected MagicMock behavior causing infinite
test runs.

## Type of Change
<!-- Please check the relevant option -->
- [x] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [ ] Code refactoring
- [ ] Performance improvement
- [ ] Other (please specify):

## Changes Made
<!-- List the specific changes made in this PR -->
- The PR fixes issue with CLI unit tests, where some of the tests were
starting UI because of unexpected MagicMock behavior causing infinite
test runs.

## Testing
Tested it via CI/CD + manually

## Screenshots/Videos (if applicable)
None

## Pre-submission Checklist
<!-- Please check all boxes that apply before submitting your PR -->
- [x] **I have tested my changes thoroughly before submitting this PR**
- [x] **This PR contains minimal changes necessary to address the
issue/feature**
- [x] My code follows the project's coding standards and style
guidelines
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] I have added necessary documentation (if applicable)
- [x] All new and existing tests pass
- [x] I have searched existing PRs to ensure this change hasn't been
submitted already
- [x] I have linked any relevant issues in the description
- [x] My commits have clear and descriptive messages

## Related Issues
None

## Additional Notes
None

## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.

cognee/tests/cli_tests/cli_unit_tests/test_cli_main.py

@@ -49,7 +49,7 @@ class TestCliMain:
     def test_main_no_command(self, mock_create_parser):
         """Test main function when no command is provided"""
         mock_parser = MagicMock()
-        mock_parser.parse_args.return_value = MagicMock(command=None)
+        mock_parser.parse_args.return_value = MagicMock(command=None, spec={})
         mock_create_parser.return_value = (mock_parser, {})
 
         result = main()
@@ -64,7 +64,7 @@ class TestCliMain:
         mock_command.execute.return_value = None
 
         mock_parser = MagicMock()
-        mock_args = MagicMock(command="test")
+        mock_args = MagicMock(command="test", spec={})
         mock_parser.parse_args.return_value = mock_args
 
         mock_create_parser.return_value = (mock_parser, {"test": mock_command})
@@ -84,7 +84,7 @@ class TestCliMain:
         mock_command.execute.side_effect = CliCommandException("Test error", error_code=2)
 
         mock_parser = MagicMock()
-        mock_args = MagicMock(command="test")
+        mock_args = MagicMock(command="test", spec={})
         mock_parser.parse_args.return_value = mock_args
 
         mock_create_parser.return_value = (mock_parser, {"test": mock_command})
@@ -103,7 +103,7 @@ class TestCliMain:
         mock_command.execute.side_effect = Exception("Generic error")
 
         mock_parser = MagicMock()
-        mock_args = MagicMock(command="test")
+        mock_args = MagicMock(command="test", spec={})
         mock_parser.parse_args.return_value = mock_args
 
         mock_create_parser.return_value = (mock_parser, {"test": mock_command})
@@ -126,7 +126,7 @@ class TestCliMain:
         mock_command.execute.side_effect = test_exception
 
         mock_parser = MagicMock()
-        mock_args = MagicMock(command="test")
+        mock_args = MagicMock(command="test", spec={})
         mock_parser.parse_args.return_value = mock_args
 
         mock_create_parser.return_value = (mock_parser, {"test": mock_command})