Fix phpunit tsts.

Author: eugene-manuilov

tests/phpunit/integration/Core/Email_Reporting/Email_Report_Section_BuilderTest.php

@@ -69,7 +69,7 @@ public function test_build_sections_with_report_payloads() {
 				'post_status' => Email_Log::STATUS_SENT,
 			)
 		);
-		update_post_meta( $email_log_id, Email_Log::META_REPORT_REFERENCE_DATES, wp_json_encode( $date_range_meta ) );
+		update_post_meta( $email_log_id, Email_Log::META_REPORT_REFERENCE_DATES, $date_range_meta );
 		$email_log = get_post( $email_log_id );
 
 		// Example payload for the visitors section.

tests/phpunit/integration/Core/Email_Reporting/Initiator_TaskTest.php

@@ -149,6 +149,10 @@ function ( $timestamp ) use ( &$captured_fallback_timestamp, $scheduled_timestam
 			$this->assertSame( 0, (int) $send_attempts, 'Email log send attempts should start at zero.' );
 
 			$reference_dates = get_post_meta( $post->ID, Email_Log::META_REPORT_REFERENCE_DATES, true );
+			if ( is_string( $reference_dates ) ) {
+				$reference_dates = json_decode( $reference_dates, true );
+			}
+
 			$this->assertIsArray( $reference_dates, 'Reference dates should decode to an array.' );
 			$this->assertArrayHasKey( 'startDate', $reference_dates, 'Reference dates should include start date.' );
 			$this->assertArrayHasKey( 'endDate', $reference_dates, 'Reference dates should include end date.' );

tests/phpunit/integration/Core/User/REST_Email_Reporting_ControllerTest.php

@@ -139,6 +139,9 @@ public function test_get_routes() {
 	}
 
 	public function test_set_settings_subscribe_schedules_subscription_confirmation_batch() {
+		remove_all_filters( 'googlesitekit_rest_routes' );
+		remove_all_filters( 'googlesitekit_apifetch_preload_paths' );
+
 		$this->controller->register();
 		$this->register_rest_routes();