Register advanced data breakdowns datapoints for site goals feature.

This change updates the Analytics_4 module to register the advanced data
breakdowns settings and save settings datapoints when the siteGoals feature
flag is enabled. This ensures that the necessary functionality is available
for users utilizing advanced data breakdowns.

Author: shervElmi

includes/Modules/Analytics_4.php

@@ -988,13 +988,13 @@ protected function get_datapoint_definitions() {
 		);
 
 		if ( Feature_Flags::enabled( 'siteGoals' ) ) {
-			$datapoints['GET:advanced-data-breakdowns-settings']       = new Get_Advanced_Data_Breakdowns_Settings(
+			$this->datapoints['GET:advanced-data-breakdowns-settings']       = new Get_Advanced_Data_Breakdowns_Settings(
 				array(
 					'advanced_data_breakdowns_settings' => $this->advanced_data_breakdowns_settings,
 					'service'                           => '',
 				)
 			);
-			$datapoints['POST:save-advanced-data-breakdowns-settings'] = new Save_Advanced_Data_Breakdowns_Settings(
+			$this->datapoints['POST:save-advanced-data-breakdowns-settings'] = new Save_Advanced_Data_Breakdowns_Settings(
 				array(
 					'advanced_data_breakdowns_settings' => $this->advanced_data_breakdowns_settings,
 					'service'                           => '',

tests/phpunit/integration/Modules/Analytics_4Test.php

@@ -1772,6 +1772,26 @@ public function test_get_datapoints__conversionReporting() {
 			'Analytics 4 module should expose the expected datapoints with conversion reporting'
 		);
 	}
+
+	public function test_get_datapoints__registers_advanced_data_breakdowns_when_site_goals_enabled() {
+		$this->enable_feature( 'siteGoals' );
+
+		$analytics = new Analytics_4( $this->context, $this->options, $this->user_options, $this->authentication );
+
+		$datapoints = $analytics->get_datapoints();
+
+		$this->assertContains(
+			'advanced-data-breakdowns-settings',
+			$datapoints,
+			'Enabling the siteGoals feature flag should register the advanced data breakdowns datapoint.'
+		);
+		$this->assertContains(
+			'save-advanced-data-breakdowns-settings',
+			$datapoints,
+			'Enabling the siteGoals feature flag should register the save advanced data breakdowns datapoint.'
+		);
+	}
+
 	public function test_get_debug_fields() {
 		$this->analytics->register();