== should not add newline after second comment ==
switch (foo) {
    // Types
    case SyntaxKind.A:
        return 1234;

    // Values
    case SyntaxKind.B:
        return 1234;
}

[expect]
switch (foo) {
    // Types
    case SyntaxKind.A:
        return 1234;

    // Values
    case SyntaxKind.B:
        return 1234;
}