diff --git a/backend/api/tests/contract-tests/package.json b/backend/api/tests/contract-tests/package.json
index 91647008d..9deb1e67e 100644
--- a/backend/api/tests/contract-tests/package.json
+++ b/backend/api/tests/contract-tests/package.json
@@ -9,7 +9,7 @@
     "build": "npm run buildts && npm run buildjs",
     "publish": "node dist/provider/publish.js",
     "test": "npm run publish && jest",
-    "test:pact": "jest"
+    "test:pact": "jest --detectOpenHandles -runInBand"
   },
   "author": "",
   "license": "ISC",
diff --git a/backend/api/tests/contract-tests/tests/testClientRegistryContract.spec.ts b/backend/api/tests/contract-tests/tests/testClientRegistryContract.spec.ts
index f0d5f9930..f24645b44 100644
--- a/backend/api/tests/contract-tests/tests/testClientRegistryContract.spec.ts
+++ b/backend/api/tests/contract-tests/tests/testClientRegistryContract.spec.ts
@@ -8,22 +8,19 @@ import {clientRegistryResponse} from "../../../src/handlers/types/client-registr
 import {mockLambdaContext} from "../../handlers/utils";
 import {updateClientInRegistryHandler, UpdateClientPayload} from "../../../src/handlers/auth/update-client";
 
-beforeAll((): void => {
-    jest.setTimeout(200000);
-});
-
 describe("ClientRegistryProvider", () => {
     const {like} = MatchersV3;
 
-    const provider = new PactV3({
-        dir: path.resolve(process.cwd(), "pacts"),
-        logLevel: "debug",
-        port: 8080,
-        consumer: "SSEAdminAPIClient",
-        provider: "ClientRegistryProvider"
-    });
-
     describe("When a POST request is made to create a client", () => {
+        const provider = new PactV3({
+            dir: path.resolve(process.cwd(), "pacts"),
+            logLevel: "debug",
+            port: 8080,
+            host: "127.0.0.1",
+            consumer: "SSEAdminAPIClient",
+            provider: "ClientRegistryProvider"
+        });
+
         const postEvent: RegisterClientPayload = {
             contactEmail: "pacttest.account@digital.cabinet-office.gov.uk",
             service: {
@@ -88,6 +85,15 @@ describe("ClientRegistryProvider", () => {
     });
 
     describe("When a PUT request is made to update a client", () => {
+        const provider = new PactV3({
+            dir: path.resolve(process.cwd(), "pacts"),
+            logLevel: "debug",
+            port: 8081,
+            host: "127.0.0.1",
+            consumer: "SSEAdminAPIClient",
+            provider: "ClientRegistryProvider"
+        });
+
         const updatesForClient = {
             contacts: ["new.email@digital.cabinet-office.gov.uk"],
             subject_type: "pairwise"
diff --git a/package.json b/package.json
index 462c50985..cd7ae2557 100644
--- a/package.json
+++ b/package.json
@@ -21,8 +21,8 @@
     "list": "infrastructure/dev/deploy.sh list",
     "open": "infrastructure/dev/deploy.sh open",
     "creds": "infrastructure/aws.sh",
-    "test": "jest --silent",
-    "test:cov": "jest --silent --coverage",
+    "test": "jest --runInBand",
+    "test:cov": "jest --coverage",
     "lint": "prettier . --check ; eslint '*.ts' --quiet --fix",
     "lint:fix": "prettier . --write ; eslint . --fix",
     "pii-scan": "infrastructure/dev/pii_scan.sh -p *template*.yml -i infrastructure/config/pii_scan_ignore.txt -s infrastructure/config/pii_scan_skip.txt"