diff --git a/package.json b/package.json
index 5318b186..57148003 100644
--- a/package.json
+++ b/package.json
@@ -24,10 +24,10 @@
   ],
   "scripts": {
     "clean": "rimraf .tap node_modules types",
-    "test": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage",
-    "test:integration": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage test/integration/**/*.test.mjs",
-    "test:unit": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage test/*.test.mjs",
-    "test:tasks": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage test/tasks/*.test.mjs",
+    "test": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage --jobs=0",
+    "test:integration": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage --jobs=0 test/integration/**/*.test.mjs",
+    "test:unit": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage --jobs=0 test/*.test.mjs",
+    "test:tasks": "cross-env HTTP_PORT=0 LOG_LEVEL=fatal tap --timeout 60 --disable-coverage --jobs=0 test/tasks/*.test.mjs",
     "lint": "eslint .",
     "lint:fix": "eslint --fix .",
     "format:check": "prettier -c .",
diff --git a/test/alias.test.mjs b/test/alias.test.mjs
index c443764e..85ccf5b9 100644
--- a/test/alias.test.mjs
+++ b/test/alias.test.mjs
@@ -14,10 +14,10 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const memSink = new Sink();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/alias-legacy.test.mjs b/test/integration/alias-legacy.test.mjs
index 90fecd77..ec9ab864 100644
--- a/test/integration/alias-legacy.test.mjs
+++ b/test/integration/alias-legacy.test.mjs
@@ -22,10 +22,10 @@ function exec(cmd) {
 }
 
 beforeEach(async (t) => {
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const memSink = new Sink();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/alias.test.mjs b/test/integration/alias.test.mjs
index 67766db6..196ed70f 100644
--- a/test/integration/alias.test.mjs
+++ b/test/integration/alias.test.mjs
@@ -1,6 +1,6 @@
 import fastify from "fastify";
 import { promises as fs } from "node:fs";
-import os, { type } from "node:os";
+import os from "node:os";
 import { exec as execCallback } from "child_process";
 import { join, basename } from "node:path";
 import { test, beforeEach, afterEach } from "tap";
@@ -22,10 +22,10 @@ function exec(cmd) {
 }
 
 beforeEach(async (t) => {
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const memSink = new Sink();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/integrity.test.mjs b/test/integration/integrity.test.mjs
index cea8d894..f38a7f46 100644
--- a/test/integration/integrity.test.mjs
+++ b/test/integration/integrity.test.mjs
@@ -23,9 +23,9 @@ function exec(cmd) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/login.test.mjs b/test/integration/login.test.mjs
index 6610f8fa..e46b41fe 100644
--- a/test/integration/login.test.mjs
+++ b/test/integration/login.test.mjs
@@ -22,9 +22,9 @@ function exec(cmd) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/map.test.mjs b/test/integration/map.test.mjs
index dda48d60..d31d2592 100644
--- a/test/integration/map.test.mjs
+++ b/test/integration/map.test.mjs
@@ -23,9 +23,9 @@ function exec(cmd) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/meta.test.mjs b/test/integration/meta.test.mjs
index abc72002..ed6335ff 100644
--- a/test/integration/meta.test.mjs
+++ b/test/integration/meta.test.mjs
@@ -23,9 +23,9 @@ function exec(cmd) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/package.test.mjs b/test/integration/package.test.mjs
index aed69fda..8bd3dc29 100644
--- a/test/integration/package.test.mjs
+++ b/test/integration/package.test.mjs
@@ -23,9 +23,9 @@ function exec(cmd) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integration/version.test.mjs b/test/integration/version.test.mjs
index 9af4e892..961d7c58 100644
--- a/test/integration/version.test.mjs
+++ b/test/integration/version.test.mjs
@@ -29,9 +29,9 @@ function exec(cmd, opts = {}) {
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/integrity.test.mjs b/test/integrity.test.mjs
index fda02840..079a754e 100644
--- a/test/integrity.test.mjs
+++ b/test/integrity.test.mjs
@@ -14,10 +14,10 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const memSink = new Sink();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/login.test.mjs b/test/login.test.mjs
index 67641462..d0a4354e 100644
--- a/test/login.test.mjs
+++ b/test/login.test.mjs
@@ -15,9 +15,9 @@ const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/meta.test.mjs b/test/meta.test.mjs
index e336a7b5..780f102f 100644
--- a/test/meta.test.mjs
+++ b/test/meta.test.mjs
@@ -14,10 +14,10 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const memSink = new Sink();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/publish-files-definitions.test.mjs b/test/publish-files-definitions.test.mjs
index ebedc0a6..fb05ea6a 100644
--- a/test/publish-files-definitions.test.mjs
+++ b/test/publish-files-definitions.test.mjs
@@ -26,9 +26,9 @@ const config = (files, server, token, cwd) => ({
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/publish.map.test.mjs b/test/publish.map.test.mjs
index 2818b78f..d952dfb5 100644
--- a/test/publish.map.test.mjs
+++ b/test/publish.map.test.mjs
@@ -15,9 +15,9 @@ const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/publish.package.test.mjs b/test/publish.package.test.mjs
index 91bdd974..84dfafce 100644
--- a/test/publish.package.test.mjs
+++ b/test/publish.package.test.mjs
@@ -15,9 +15,9 @@ const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,
diff --git a/test/version.test.mjs b/test/version.test.mjs
index 1b078564..0e831136 100644
--- a/test/version.test.mjs
+++ b/test/version.test.mjs
@@ -14,9 +14,9 @@ const __dirname = dirname(__filename);
 
 beforeEach(async (t) => {
 	const memSink = new Sink();
-	const server = fastify({ logger: false });
+	const server = fastify();
 	const service = new EikService({ customSink: memSink });
-	server.register(service.api());
+	await server.register(service.api());
 	const address = await server.listen({
 		host: "127.0.0.1",
 		port: 0,