test: Delete all nodes in ComplexQueryTest for a workaround

Author: exaby73

tests/Integration/ComplexQueryTest.php

@@ -28,6 +28,15 @@
 
 final class ComplexQueryTest extends EnvironmentAwareIntegrationTest
 {
+    public function setUp(): void
+    {
+        parent::setUp();
+        // testPathReturnType will sometimes run after TransactionIntegrationTest::testTransactionRunNoConsumeButSaveResult
+        // in CI, which will leave a node in the database. This will cause the test to fail.
+        // This is a workaround to make sure the database is empty before running the test.
+        $this->getSession()->run('MATCH (n) DETACH DELETE n');
+    }
+
     public function testListParameterHelper(): void
     {
         $result = $this->getSession()->transaction(static fn (TSX $tsx) => $tsx->run('MATCH (x) WHERE x.slug IN $listOrMap RETURN x', [