insert([ 'id' => 1, 'transaction_id' => 'TXN-ABC', 'payer_email' => 'payer@example.com', 'event_type' => 'PAYMENT', 'order_id' => 'ORDER-1', 'parent_school_id' => 'P1', 'amount' => 50, 'currency' => 'USD', 'created_at' => '2025-01-01 00:00:00', ]); DB::table('paypal_payments')->insert([ 'id' => 2, 'transaction_id' => 'TXN-DEF', 'payer_email' => 'other@example.com', 'event_type' => 'REFUND', 'order_id' => 'ORDER-2', 'parent_school_id' => 'P2', 'amount' => 75, 'currency' => 'USD', 'created_at' => '2025-01-02 00:00:00', ]); $service = new PaypalTransactionsService(); $results = $service->listAll('ABC'); $this->assertCount(1, $results); $this->assertStringContainsString('TXN-ABC', json_encode($results)); } }