@Test
        @DisplayName("should have predefined plugin upgrades")
        void shouldHavePredefinedPluginUpgrades() throws Exception {
            List<PluginUpgrade> upgrades = PluginUpgradeStrategy.getPluginUpgrades();

            assertFalse(upgrades.isEmpty(), "Should have predefined plugin upgrades");

            // Verify some expected plugins are included
            boolean hasCompilerPlugin =

        return child != null ? child.textContentTrimmed() : null;
    }

    /**
     * Gets the list of plugin upgrades to apply.
     */
    public static List<PluginUpgrade> getPluginUpgrades() {
        return PLUGIN_UPGRADES;
    }

    /**
     * Gets or creates the cached Maven 4 session.
     */
    private Session getSession() {
        if (session == null) {