diff --git a/src/test/java/io/r2dbc/postgresql/client/DowntimeIntegrationTests.java b/src/test/java/io/r2dbc/postgresql/client/DowntimeIntegrationTests.java
index d00b52a1..1326b399 100644
--- a/src/test/java/io/r2dbc/postgresql/client/DowntimeIntegrationTests.java
+++ b/src/test/java/io/r2dbc/postgresql/client/DowntimeIntegrationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 the original author or authors.
+ * Copyright 2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,30 +32,6 @@
 
 public class DowntimeIntegrationTests {
 
-    // Simulate server downtime, where connections are accepted and then closed immediately
-    static DisposableServer newServer() {
-        return TcpServer.create()
-            .doOnConnection(DisposableChannel::dispose)
-            .bindNow();
-    }
-
-    static PostgresqlConnectionFactory newConnectionFactory(DisposableServer server, SSLMode sslMode) {
-        return new PostgresqlConnectionFactory(
-            PostgresqlConnectionConfiguration.builder()
-                .host(server.host())
-                .port(server.port())
-                .username("test")
-                .sslMode(sslMode)
-                .build());
-    }
-
-    static void verifyError(SSLMode sslMode, Consumer<Throwable> assertions) {
-        DisposableServer server = newServer();
-        PostgresqlConnectionFactory connectionFactory = newConnectionFactory(server, sslMode);
-        connectionFactory.create().as(StepVerifier::create).verifyErrorSatisfies(assertions);
-        server.disposeNow();
-    }
-
     @Test
     void failSslHandshakeIfInboundClosed() {
         verifyError(SSLMode.REQUIRE, error ->
@@ -72,11 +48,38 @@ void failSslTunnelIfInboundClosed() {
                 .cause()
                 .isInstanceOf(ClosedChannelException.class);
 
-            assertThat(error.getCause().getSuppressed().length).isOne();
+            assertThat(error.getCause().getSuppressed()).hasSize(1);
 
             assertThat(error.getCause().getSuppressed()[0])
                 .hasMessage("Connection closed while SSL/TLS handshake was in progress");
         });
     }
 
+    // Simulate server downtime, where connections are accepted and then closed immediately
+    static DisposableServer newServer() {
+        return TcpServer.create()
+            .doOnConnection(DisposableChannel::dispose)
+            .bindNow();
+    }
+
+    static PostgresqlConnectionFactory newConnectionFactory(DisposableServer server, SSLMode sslMode) {
+        return new PostgresqlConnectionFactory(
+            PostgresqlConnectionConfiguration.builder()
+                .host(server.host())
+                .port(server.port())
+                .username("test")
+                .sslMode(sslMode)
+                .build());
+    }
+
+    static void verifyError(SSLMode sslMode, Consumer<Throwable> assertions) {
+        DisposableServer server = newServer();
+        PostgresqlConnectionFactory connectionFactory = newConnectionFactory(server, sslMode);
+        try {
+            connectionFactory.create().as(StepVerifier::create).verifyErrorSatisfies(assertions);
+        } finally {
+            server.disposeNow();
+        }
+    }
+
 }