diff --git a/yarn-project/accounts/package.json b/yarn-project/accounts/package.json
index efa1f66e06c..7fd731ae281 100644
--- a/yarn-project/accounts/package.json
+++ b/yarn-project/accounts/package.json
@@ -72,7 +72,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/aztec.js": "workspace:^",
diff --git a/yarn-project/archiver/package.json b/yarn-project/archiver/package.json
index c92d80bfe57..61b84434170 100644
--- a/yarn-project/archiver/package.json
+++ b/yarn-project/archiver/package.json
@@ -62,7 +62,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/aztec-faucet/package.json b/yarn-project/aztec-faucet/package.json
index 9315089fa18..3852ff8828e 100644
--- a/yarn-project/aztec-faucet/package.json
+++ b/yarn-project/aztec-faucet/package.json
@@ -56,7 +56,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/ethereum": "workspace:^",
diff --git a/yarn-project/aztec-node/package.json b/yarn-project/aztec-node/package.json
index ab293ce4ada..f23417a5b7b 100644
--- a/yarn-project/aztec-node/package.json
+++ b/yarn-project/aztec-node/package.json
@@ -58,7 +58,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/archiver": "workspace:^",
diff --git a/yarn-project/aztec.js/package.json b/yarn-project/aztec.js/package.json
index 0c7447bd644..f426c02a05d 100644
--- a/yarn-project/aztec.js/package.json
+++ b/yarn-project/aztec.js/package.json
@@ -74,7 +74,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/aztec/package.json b/yarn-project/aztec/package.json
index 7d98ce7812f..7e9611f7afb 100644
--- a/yarn-project/aztec/package.json
+++ b/yarn-project/aztec/package.json
@@ -110,7 +110,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "engines": {
     "node": ">=18"
diff --git a/yarn-project/bb-prover/package.json b/yarn-project/bb-prover/package.json
index 9ea893b2962..9dff8dc8a80 100644
--- a/yarn-project/bb-prover/package.json
+++ b/yarn-project/bb-prover/package.json
@@ -63,7 +63,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/bot/package.json b/yarn-project/bot/package.json
index 1bef173a590..f2f8c952824 100644
--- a/yarn-project/bot/package.json
+++ b/yarn-project/bot/package.json
@@ -50,7 +50,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/accounts": "workspace:^",
diff --git a/yarn-project/builder/package.json b/yarn-project/builder/package.json
index 602a934a970..801ccec15f4 100644
--- a/yarn-project/builder/package.json
+++ b/yarn-project/builder/package.json
@@ -66,7 +66,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/foundation": "workspace:^",
diff --git a/yarn-project/circuit-types/package.json b/yarn-project/circuit-types/package.json
index 32e46a6bd57..e8c4974633e 100644
--- a/yarn-project/circuit-types/package.json
+++ b/yarn-project/circuit-types/package.json
@@ -64,7 +64,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuits.js": "workspace:^",
diff --git a/yarn-project/circuits.js/package.json b/yarn-project/circuits.js/package.json
index ada850753b6..66d4573bdb0 100644
--- a/yarn-project/circuits.js/package.json
+++ b/yarn-project/circuits.js/package.json
@@ -98,6 +98,9 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/cli-wallet/package.json b/yarn-project/cli-wallet/package.json
index 2d75d430b59..19bc75f4b98 100644
--- a/yarn-project/cli-wallet/package.json
+++ b/yarn-project/cli-wallet/package.json
@@ -64,7 +64,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/accounts": "workspace:^",
diff --git a/yarn-project/cli/package.json b/yarn-project/cli/package.json
index 1165f8b04fb..ea86f4fdb5d 100644
--- a/yarn-project/cli/package.json
+++ b/yarn-project/cli/package.json
@@ -64,7 +64,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/archiver": "workspace:^",
diff --git a/yarn-project/end-to-end/package.json b/yarn-project/end-to-end/package.json
index 1344ee5de94..c51b89150bb 100644
--- a/yarn-project/end-to-end/package.json
+++ b/yarn-project/end-to-end/package.json
@@ -156,6 +156,9 @@
     },
     "testRegex": "./src/.*\\.test\\.(js|mjs|ts)$",
     "rootDir": "./src",
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/end-to-end/src/shared/browser.ts b/yarn-project/end-to-end/src/shared/browser.ts
index c2abd9dca26..8110a697898 100644
--- a/yarn-project/end-to-end/src/shared/browser.ts
+++ b/yarn-project/end-to-end/src/shared/browser.ts
@@ -97,7 +97,7 @@ export const browserTestSuite = (
         pageLogger.info(msg.text());
       });
       page.on('pageerror', err => {
-        pageLogger.error(err.toString());
+        pageLogger.error(`Error on web page`, err);
       });
       await page.goto(`${webServerURL}/index.html`);
       while (!(await page.evaluate(() => !!window.AztecJs))) {
diff --git a/yarn-project/entrypoints/package.json b/yarn-project/entrypoints/package.json
index bc4b5352b6a..d335c907978 100644
--- a/yarn-project/entrypoints/package.json
+++ b/yarn-project/entrypoints/package.json
@@ -60,7 +60,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/aztec.js": "workspace:^",
diff --git a/yarn-project/epoch-cache/package.json b/yarn-project/epoch-cache/package.json
index 30ff934d850..2db4ee09f3e 100644
--- a/yarn-project/epoch-cache/package.json
+++ b/yarn-project/epoch-cache/package.json
@@ -87,7 +87,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "engines": {
     "node": ">=18"
diff --git a/yarn-project/ethereum/package.json b/yarn-project/ethereum/package.json
index 0e34d8dcbf1..e9d6ec74d23 100644
--- a/yarn-project/ethereum/package.json
+++ b/yarn-project/ethereum/package.json
@@ -86,9 +86,12 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "engines": {
     "node": ">=18"
   }
-}
\ No newline at end of file
+}
diff --git a/yarn-project/foundation/package.json b/yarn-project/foundation/package.json
index 36fd1e55a25..1f3bf0f9e97 100644
--- a/yarn-project/foundation/package.json
+++ b/yarn-project/foundation/package.json
@@ -97,7 +97,13 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFilesAfterEnv": [
+      "../../foundation/src/jest/setup.mjs"
+    ],
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/bb.js": "portal:../../barretenberg/ts",
diff --git a/yarn-project/foundation/src/jest/setup.mjs b/yarn-project/foundation/src/jest/setup.mjs
new file mode 100644
index 00000000000..04519061c54
--- /dev/null
+++ b/yarn-project/foundation/src/jest/setup.mjs
@@ -0,0 +1,9 @@
+import { overwriteLoggingStream, pinoPrettyOpts } from '@aztec/foundation/log';
+
+import pretty from 'pino-pretty';
+
+// Overwrite logging stream with pino-pretty. We define this as a separate
+// file so we don't mess up with dependencies in non-testing environments,
+// since pino-pretty messes up with browser bundles.
+// See also https://www.npmjs.com/package/pino-pretty?activeTab=readme#user-content-usage-with-jest
+overwriteLoggingStream(pretty(pinoPrettyOpts));
diff --git a/yarn-project/foundation/src/log/pino-logger.ts b/yarn-project/foundation/src/log/pino-logger.ts
index 10b19086939..81a6ec951e4 100644
--- a/yarn-project/foundation/src/log/pino-logger.ts
+++ b/yarn-project/foundation/src/log/pino-logger.ts
@@ -1,7 +1,6 @@
 import { createColors } from 'colorette';
 import isNode from 'detect-node';
 import { pino, symbols } from 'pino';
-import pretty from 'pino-pretty';
 import { type Writable } from 'stream';
 import { inspect } from 'util';
 
@@ -68,7 +67,7 @@ const [logLevel, logFilters] = parseEnv(process.env.LOG_LEVEL, defaultLogLevel);
 // Transport options for pretty logging to stderr via pino-pretty.
 const useColor = true;
 const { bold, reset } = createColors({ useColor });
-const pinoPrettyOpts = {
+export const pinoPrettyOpts = {
   destination: 2,
   sync: true,
   colorize: useColor,
@@ -78,6 +77,7 @@ const pinoPrettyOpts = {
   customColors: 'fatal:bgRed,error:red,warn:yellow,info:green,verbose:magenta,debug:blue,trace:gray',
   minimumLevel: 'trace' as const,
 };
+
 const prettyTransport: pino.TransportSingleOptions = {
   target: 'pino-pretty',
   options: pinoPrettyOpts,
@@ -113,11 +113,13 @@ const otelTransport: pino.TransportSingleOptions = {
 
 function makeLogger() {
   if (!isNode) {
-    // We are on the browser
+    // We are on the browser.
     return pino({ ...pinoOpts, browser: { asObject: false } });
   } else if (process.env.JEST_WORKER_ID) {
-    // We are on jest, so we need sync logging. We stream to stderr with pretty.
-    return pino(pinoOpts, pretty(pinoPrettyOpts));
+    // We are on jest, so we need sync logging and stream to stderr.
+    // We expect jest/setup.mjs to kick in later and replace set up a pretty logger,
+    // but if for some reason it doesn't, at least we're covered with a default logger.
+    return pino(pinoOpts, pino.destination(2));
   } else {
     // Regular nodejs with transports on worker thread, using pino-pretty for console logging if LOG_JSON
     // is not set, and an optional OTLP transport if the OTLP endpoint is provided.
@@ -142,6 +144,14 @@ logger.verbose(
     : `Browser console logger initialized with level ${logLevel}`,
 );
 
+/**
+ * Overwrites the logging stream with a different destination.
+ * Used by jest/setup.mjs to set up a pretty logger.
+ */
+export function overwriteLoggingStream(stream: Writable): void {
+  (logger as any)[symbols.streamSym] = stream;
+}
+
 /**
  * Registers an additional destination to the pino logger.
  * Use only when working with destinations, not worker transports.
diff --git a/yarn-project/ivc-integration/package.json b/yarn-project/ivc-integration/package.json
index cadb0ac977d..7b2b97b9bb0 100644
--- a/yarn-project/ivc-integration/package.json
+++ b/yarn-project/ivc-integration/package.json
@@ -59,7 +59,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/bb.js": "../../ts",
diff --git a/yarn-project/key-store/package.json b/yarn-project/key-store/package.json
index 8b13546037a..8409775334b 100644
--- a/yarn-project/key-store/package.json
+++ b/yarn-project/key-store/package.json
@@ -54,7 +54,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/kv-store/package.json b/yarn-project/kv-store/package.json
index 1c795da1a6c..b4c97eb4474 100644
--- a/yarn-project/kv-store/package.json
+++ b/yarn-project/kv-store/package.json
@@ -91,6 +91,9 @@
     ],
     "testRegex": "./src/.*\\.test\\.(js|mjs|ts)$",
     "rootDir": "./src",
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/merkle-tree/package.json b/yarn-project/merkle-tree/package.json
index 47e394fda28..096700c8bbf 100644
--- a/yarn-project/merkle-tree/package.json
+++ b/yarn-project/merkle-tree/package.json
@@ -55,7 +55,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/noir-contracts.js/package.json b/yarn-project/noir-contracts.js/package.json
index 71bad516291..c54eb0a5965 100644
--- a/yarn-project/noir-contracts.js/package.json
+++ b/yarn-project/noir-contracts.js/package.json
@@ -54,7 +54,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/aztec.js": "workspace:^",
diff --git a/yarn-project/noir-protocol-circuits-types/package.json b/yarn-project/noir-protocol-circuits-types/package.json
index 3f2549b9005..4168c9fc5ff 100644
--- a/yarn-project/noir-protocol-circuits-types/package.json
+++ b/yarn-project/noir-protocol-circuits-types/package.json
@@ -58,7 +58,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuits.js": "workspace:^",
diff --git a/yarn-project/p2p-bootstrap/package.json b/yarn-project/p2p-bootstrap/package.json
index 6da59d79665..f1f6942279d 100644
--- a/yarn-project/p2p-bootstrap/package.json
+++ b/yarn-project/p2p-bootstrap/package.json
@@ -82,7 +82,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "engines": {
     "node": ">=18"
diff --git a/yarn-project/p2p/package.json b/yarn-project/p2p/package.json
index 79ed2a4b867..69c44f33562 100644
--- a/yarn-project/p2p/package.json
+++ b/yarn-project/p2p/package.json
@@ -60,7 +60,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/package.common.json b/yarn-project/package.common.json
index 8fd6e79b1fd..5d7e61c0e2a 100644
--- a/yarn-project/package.common.json
+++ b/yarn-project/package.common.json
@@ -55,6 +55,9 @@
     ],
     "testTimeout": 30000,
     "testRegex": "./src/.*\\.test\\.(js|mjs|ts)$",
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
\ No newline at end of file
diff --git a/yarn-project/proof-verifier/package.json b/yarn-project/proof-verifier/package.json
index 53799548865..9dcd38472e9 100644
--- a/yarn-project/proof-verifier/package.json
+++ b/yarn-project/proof-verifier/package.json
@@ -75,6 +75,9 @@
     ],
     "testRegex": "./src/.*\\.test\\.(js|mjs|ts)$",
     "rootDir": "./src",
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/protocol-contracts/package.json b/yarn-project/protocol-contracts/package.json
index ad6618938f8..d12d967b95e 100644
--- a/yarn-project/protocol-contracts/package.json
+++ b/yarn-project/protocol-contracts/package.json
@@ -65,7 +65,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuits.js": "workspace:^",
diff --git a/yarn-project/prover-client/package.json b/yarn-project/prover-client/package.json
index 86a92c7c519..4bf5b869215 100644
--- a/yarn-project/prover-client/package.json
+++ b/yarn-project/prover-client/package.json
@@ -64,7 +64,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/bb-prover": "workspace:^",
diff --git a/yarn-project/prover-node/package.json b/yarn-project/prover-node/package.json
index d4ee18d170b..27bb2c8bd60 100644
--- a/yarn-project/prover-node/package.json
+++ b/yarn-project/prover-node/package.json
@@ -50,7 +50,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/archiver": "workspace:^",
diff --git a/yarn-project/pxe/package.json b/yarn-project/pxe/package.json
index 1338e301b2e..5320283c7d5 100644
--- a/yarn-project/pxe/package.json
+++ b/yarn-project/pxe/package.json
@@ -65,7 +65,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/bb-prover": "workspace:^",
diff --git a/yarn-project/scripts/package.json b/yarn-project/scripts/package.json
index 0b62716012f..a0cb7920eff 100644
--- a/yarn-project/scripts/package.json
+++ b/yarn-project/scripts/package.json
@@ -84,7 +84,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "engines": {
     "node": ">=18"
diff --git a/yarn-project/sequencer-client/package.json b/yarn-project/sequencer-client/package.json
index e5c56b8809d..33437775006 100644
--- a/yarn-project/sequencer-client/package.json
+++ b/yarn-project/sequencer-client/package.json
@@ -110,6 +110,9 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/simulator/package.json b/yarn-project/simulator/package.json
index 53d15188c54..8c3668fd8fa 100644
--- a/yarn-project/simulator/package.json
+++ b/yarn-project/simulator/package.json
@@ -60,7 +60,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/telemetry-client/package.json b/yarn-project/telemetry-client/package.json
index 2df1379cd7c..15ef986d543 100644
--- a/yarn-project/telemetry-client/package.json
+++ b/yarn-project/telemetry-client/package.json
@@ -84,6 +84,9 @@
     ],
     "testRegex": "./src/.*\\.test\\.(js|mjs|ts)$",
     "rootDir": "./src",
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   }
 }
diff --git a/yarn-project/txe/package.json b/yarn-project/txe/package.json
index ff673d798d8..79132b5d369 100644
--- a/yarn-project/txe/package.json
+++ b/yarn-project/txe/package.json
@@ -58,7 +58,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/accounts": "workspace:^",
diff --git a/yarn-project/types/package.json b/yarn-project/types/package.json
index 688b9ea661b..9c0adbd1c67 100644
--- a/yarn-project/types/package.json
+++ b/yarn-project/types/package.json
@@ -60,7 +60,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/ethereum": "workspace:^",
diff --git a/yarn-project/validator-client/package.json b/yarn-project/validator-client/package.json
index 127f4a25e57..637cbb5a31e 100644
--- a/yarn-project/validator-client/package.json
+++ b/yarn-project/validator-client/package.json
@@ -57,7 +57,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",
diff --git a/yarn-project/world-state/package.json b/yarn-project/world-state/package.json
index b684e5055e2..4da25512fd1 100644
--- a/yarn-project/world-state/package.json
+++ b/yarn-project/world-state/package.json
@@ -60,7 +60,10 @@
         }
       ]
     ],
-    "testTimeout": 30000
+    "testTimeout": 30000,
+    "setupFiles": [
+      "../../foundation/src/jest/setup.mjs"
+    ]
   },
   "dependencies": {
     "@aztec/circuit-types": "workspace:^",