Fixed terminology in tests

Updated test parameter and assertion messages to use "version component" instead of "version part" for clarity and consistency. This change affects the test cases that detect bad or missing version inputs.

tests/test_cli/test_bump.py

@@ -195,11 +195,11 @@ def test_non_scm_operations_if_scm_not_installed(tmp_path: Path, monkeypatch, ru
 @pytest.mark.parametrize(
     ["version_part"],
     [
-        param("charlie", id="bad_version_part"),
-        param("", id="missing_version_part"),
+        param("charlie", id="bad_version_component"),
+        param("", id="missing_version_component"),
     ],
 )
-def test_detects_bad_or_missing_version_part(version_part: str, tmp_path: Path, monkeypatch, runner):
+def test_detects_bad_or_missing_version_component(version_part: str, tmp_path: Path, monkeypatch, runner):
     """It properly detects bad or missing version part."""
     # Arrange
     monkeypatch.setenv("PATH", "")
@@ -217,7 +217,7 @@ def test_detects_bad_or_missing_version_part(version_part: str, tmp_path: Path,
 
     # Assert
     assert result.exception is not None
-    assert "Unknown version part:" in result.stdout
+    assert "Unknown version component:" in result.stdout
 
 
 def test_ignores_missing_files_with_option(tmp_path, fixtures_path, runner):