diff --git a/test/package-lock.json b/test/package-lock.json
index deb901b..3119a8a 100644
--- a/test/package-lock.json
+++ b/test/package-lock.json
@@ -1,18 +1,20 @@
 {
-  "name": "test",
+  "name": "test-component",
   "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "test",
+      "name": "test-component",
       "version": "1.0.0",
       "license": "ISC",
+      "dependencies": {
+        "@types/node": "^20.14.2"
+      },
       "devDependencies": {
         "@bytecodealliance/componentize-js": "^0.8.3",
         "@bytecodealliance/jco": "^1.2.4",
         "@rollup/plugin-typescript": "^11.1.6",
-        "esbuild": "0.21.3",
         "rollup": "^4.18.0",
         "tslib": "^2.6.2",
         "typescript": "^5.4.5"
@@ -197,374 +199,6 @@
         "wizer-win32-x64": "wizer"
       }
     },
-    "node_modules/@esbuild/aix-ppc64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.21.3.tgz",
-      "integrity": "sha512-yTgnwQpFVYfvvo4SvRFB0SwrW8YjOxEoT7wfMT7Ol5v7v5LDNvSGo67aExmxOb87nQNeWPVvaGBNfQ7BXcrZ9w==",
-      "cpu": [
-        "ppc64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "aix"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/android-arm": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.21.3.tgz",
-      "integrity": "sha512-bviJOLMgurLJtF1/mAoJLxDZDL6oU5/ztMHnJQRejbJrSc9FFu0QoUoFhvi6qSKJEw9y5oGyvr9fuDtzJ30rNQ==",
-      "cpu": [
-        "arm"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/android-arm64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.21.3.tgz",
-      "integrity": "sha512-c+ty9necz3zB1Y+d/N+mC6KVVkGUUOcm4ZmT5i/Fk5arOaY3i6CA3P5wo/7+XzV8cb4GrI/Zjp8NuOQ9Lfsosw==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/android-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.21.3.tgz",
-      "integrity": "sha512-JReHfYCRK3FVX4Ra+y5EBH1b9e16TV2OxrPAvzMsGeES0X2Ndm9ImQRI4Ket757vhc5XBOuGperw63upesclRw==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/darwin-arm64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.21.3.tgz",
-      "integrity": "sha512-U3fuQ0xNiAkXOmQ6w5dKpEvXQRSpHOnbw7gEfHCRXPeTKW9sBzVck6C5Yneb8LfJm0l6le4NQfkNPnWMSlTFUQ==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/darwin-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.21.3.tgz",
-      "integrity": "sha512-3m1CEB7F07s19wmaMNI2KANLcnaqryJxO1fXHUV5j1rWn+wMxdUYoPyO2TnAbfRZdi7ADRwJClmOwgT13qlP3Q==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/freebsd-arm64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.21.3.tgz",
-      "integrity": "sha512-fsNAAl5pU6wmKHq91cHWQT0Fz0vtyE1JauMzKotrwqIKAswwP5cpHUCxZNSTuA/JlqtScq20/5KZ+TxQdovU/g==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "freebsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/freebsd-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.21.3.tgz",
-      "integrity": "sha512-tci+UJ4zP5EGF4rp8XlZIdq1q1a/1h9XuronfxTMCNBslpCtmk97Q/5qqy1Mu4zIc0yswN/yP/BLX+NTUC1bXA==",
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-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "freebsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-arm": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.21.3.tgz",
-      "integrity": "sha512-f6kz2QpSuyHHg01cDawj0vkyMwuIvN62UAguQfnNVzbge2uWLhA7TCXOn83DT0ZvyJmBI943MItgTovUob36SQ==",
-      "cpu": [
-        "arm"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-arm64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm64/-/linux-arm64-0.21.3.tgz",
-      "integrity": "sha512-vvG6R5g5ieB4eCJBQevyDMb31LMHthLpXTc2IGkFnPWS/GzIFDnaYFp558O+XybTmYrVjxnryru7QRleJvmZ6Q==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-ia32": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-ia32/-/linux-ia32-0.21.3.tgz",
-      "integrity": "sha512-HjCWhH7K96Na+66TacDLJmOI9R8iDWDDiqe17C7znGvvE4sW1ECt9ly0AJ3dJH62jHyVqW9xpxZEU1jKdt+29A==",
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-        "ia32"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-loong64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.21.3.tgz",
-      "integrity": "sha512-BGpimEccmHBZRcAhdlRIxMp7x9PyJxUtj7apL2IuoG9VxvU/l/v1z015nFs7Si7tXUwEsvjc1rOJdZCn4QTU+Q==",
-      "cpu": [
-        "loong64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-mips64el": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.21.3.tgz",
-      "integrity": "sha512-5rMOWkp7FQGtAH3QJddP4w3s47iT20hwftqdm7b+loe95o8JU8ro3qZbhgMRy0VuFU0DizymF1pBKkn3YHWtsw==",
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-        "mips64el"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-ppc64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.21.3.tgz",
-      "integrity": "sha512-h0zj1ldel89V5sjPLo5H1SyMzp4VrgN1tPkN29TmjvO1/r0MuMRwJxL8QY05SmfsZRs6TF0c/IDH3u7XYYmbAg==",
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-        "ppc64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-riscv64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.21.3.tgz",
-      "integrity": "sha512-dkAKcTsTJ+CRX6bnO17qDJbLoW37npd5gSNtSzjYQr0svghLJYGYB0NF1SNcU1vDcjXLYS5pO4qOW4YbFama4A==",
-      "cpu": [
-        "riscv64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-s390x": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-s390x/-/linux-s390x-0.21.3.tgz",
-      "integrity": "sha512-vnD1YUkovEdnZWEuMmy2X2JmzsHQqPpZElXx6dxENcIwTu+Cu5ERax6+Ke1QsE814Zf3c6rxCfwQdCTQ7tPuXA==",
-      "cpu": [
-        "s390x"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-x64/-/linux-x64-0.21.3.tgz",
-      "integrity": "sha512-IOXOIm9WaK7plL2gMhsWJd+l2bfrhfilv0uPTptoRoSb2p09RghhQQp9YY6ZJhk/kqmeRt6siRdMSLLwzuT0KQ==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/netbsd-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/netbsd-x64/-/netbsd-x64-0.21.3.tgz",
-      "integrity": "sha512-uTgCwsvQ5+vCQnqM//EfDSuomo2LhdWhFPS8VL8xKf+PKTCrcT/2kPPoWMTs22aB63MLdGMJiE3f1PHvCDmUOw==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "netbsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/openbsd-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/openbsd-x64/-/openbsd-x64-0.21.3.tgz",
-      "integrity": "sha512-vNAkR17Ub2MgEud2Wag/OE4HTSI6zlb291UYzHez/psiKarp0J8PKGDnAhMBcHFoOHMXHfExzmjMojJNbAStrQ==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "openbsd"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/sunos-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/sunos-x64/-/sunos-x64-0.21.3.tgz",
-      "integrity": "sha512-W8H9jlGiSBomkgmouaRoTXo49j4w4Kfbl6I1bIdO/vT0+0u4f20ko3ELzV3hPI6XV6JNBVX+8BC+ajHkvffIJA==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "sunos"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-arm64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-arm64/-/win32-arm64-0.21.3.tgz",
-      "integrity": "sha512-EjEomwyLSCg8Ag3LDILIqYCZAq/y3diJ04PnqGRgq8/4O3VNlXyMd54j/saShaN4h5o5mivOjAzmU6C3X4v0xw==",
-      "cpu": [
-        "arm64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-ia32": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.21.3.tgz",
-      "integrity": "sha512-WGiE/GgbsEwR33++5rzjiYsKyHywE8QSZPF7Rfx9EBfK3Qn3xyR6IjyCr5Uk38Kg8fG4/2phN7sXp4NPWd3fcw==",
-      "cpu": [
-        "ia32"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/win32-x64": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.21.3.tgz",
-      "integrity": "sha512-xRxC0jaJWDLYvcUvjQmHCJSfMrgmUuvsoXgDeU/wTorQ1ngDdUBuFtgY3W1Pc5sprGAvZBtWdJX7RPg/iZZUqA==",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "win32"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.5.tgz",
@@ -885,6 +519,14 @@
       "integrity": "sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==",
       "dev": true
     },
+    "node_modules/@types/node": {
+      "version": "20.14.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.2.tgz",
+      "integrity": "sha512-xyu6WAMVwv6AKFLB+e/7ySZVr/0zLCzOa7rSpq6jNwpqOrUbcACDWC+53d4n2QHOnDou0fbIsg8wZu/sxrnI4Q==",
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
     "node_modules/acorn": {
       "version": "8.11.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.11.3.tgz",
@@ -1000,44 +642,6 @@
       "integrity": "sha512-i1gCgmR9dCl6Vil6UKPI/trA69s08g/syhiDK9TG0Nf1RJjjFI+AzoWW7sPufzkgYAn861skuCwJa0pIIHYxvg==",
       "dev": true
     },
-    "node_modules/esbuild": {
-      "version": "0.21.3",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.21.3.tgz",
-      "integrity": "sha512-Kgq0/ZsAPzKrbOjCQcjoSmPoWhlcVnGAUo7jvaLHoxW1Drto0KGkR1xBNg2Cp43b9ImvxmPEJZ9xkfcnqPsfBw==",
-      "dev": true,
-      "hasInstallScript": true,
-      "bin": {
-        "esbuild": "bin/esbuild"
-      },
-      "engines": {
-        "node": ">=12"
-      },
-      "optionalDependencies": {
-        "@esbuild/aix-ppc64": "0.21.3",
-        "@esbuild/android-arm": "0.21.3",
-        "@esbuild/android-arm64": "0.21.3",
-        "@esbuild/android-x64": "0.21.3",
-        "@esbuild/darwin-arm64": "0.21.3",
-        "@esbuild/darwin-x64": "0.21.3",
-        "@esbuild/freebsd-arm64": "0.21.3",
-        "@esbuild/freebsd-x64": "0.21.3",
-        "@esbuild/linux-arm": "0.21.3",
-        "@esbuild/linux-arm64": "0.21.3",
-        "@esbuild/linux-ia32": "0.21.3",
-        "@esbuild/linux-loong64": "0.21.3",
-        "@esbuild/linux-mips64el": "0.21.3",
-        "@esbuild/linux-ppc64": "0.21.3",
-        "@esbuild/linux-riscv64": "0.21.3",
-        "@esbuild/linux-s390x": "0.21.3",
-        "@esbuild/linux-x64": "0.21.3",
-        "@esbuild/netbsd-x64": "0.21.3",
-        "@esbuild/openbsd-x64": "0.21.3",
-        "@esbuild/sunos-x64": "0.21.3",
-        "@esbuild/win32-arm64": "0.21.3",
-        "@esbuild/win32-ia32": "0.21.3",
-        "@esbuild/win32-x64": "0.21.3"
-      }
-    },
     "node_modules/estree-walker": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
@@ -1426,6 +1030,11 @@
       "engines": {
         "node": ">=14.17"
       }
+    },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
     }
   }
 }
diff --git a/test/package.json b/test/package.json
index e3d90ad..2886693 100644
--- a/test/package.json
+++ b/test/package.json
@@ -1,10 +1,9 @@
 {
-  "name": "test",
+  "name": "test-component",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
     "stub": "jco transpile wit --no-namespaced-exports --stub --name index -o src && rm src/index.js && mv src/index.d.ts src/index.ts",
     "build": "tsc && rollup -c",
     "package": "jco componentize -w wit -o out/golem-ts-tests.wasm out/build.js"
@@ -16,9 +15,11 @@
     "@bytecodealliance/componentize-js": "^0.8.3",
     "@bytecodealliance/jco": "^1.2.4",
     "@rollup/plugin-typescript": "^11.1.6",
-    "esbuild": "0.21.3",
     "rollup": "^4.18.0",
     "tslib": "^2.6.2",
     "typescript": "^5.4.5"
+  },
+  "dependencies": {
+    "@types/node": "^20.14.2"
   }
 }
diff --git a/test/src/index.ts b/test/src/index.ts
index abed32b..f4d895f 100644
--- a/test/src/index.ts
+++ b/test/src/index.ts
@@ -1,46 +1,63 @@
-import { fallibleTransaction, infallibleTransaction, Operation, operation, OperationErrors, Result } from 'golem-ts';
-import { GolemTsApi } from './interfaces/golem-ts-api.js';
+import { GolemItApi } from './interfaces/golem-it-api.js';
+import {
+    useRetryPolicy,
+    executeWithDrop,
+    oplogCommit,
+    atomically,
+    withIdempotenceMode,
+    withPersistenceLevel,
+    operation,
+    Result,
+    Operation,
+    infallibleTransaction,
+} from 'golem-ts';
 
-export const api: typeof GolemTsApi  = {
-    process: (a: bigint) =>  {
-        const result = infallibleTransaction(tx => {
-            const resultA = tx.execute(operationOne, a);
-            const resultB = resultA.flatMap(a => tx.execute(operationTwo, a));
-            return resultB
-        });
-        if (result.isOk) {
-            return result.value;
-        } else {
-            console.log(`Error: ${result.error}`);
-            return "Error";
-        }
+export const api: typeof GolemItApi = {
+    failWithCustomMaxRetries,
+    explicitCommit,
+    fallibleTransactionTest() {
+        return false;
     },
-    processFallible: (a: bigint) =>  {
-        type Error = OperationErrors<[typeof neverFailsOperation, typeof alwaysFailsOperation]>;
-        const result = fallibleTransaction<bigint, Error>(tx => {
-            const resultA = tx.execute(neverFailsOperation, a);
-            const resultB = resultA.flatMap(num => tx.execute(alwaysFailsOperation, num));
-            return resultB;
-          });
+    infallibleTransactionTest,
+};
 
-        if (result.isOk) {
-            return result.value.toString();
-        } else {
-            const message = typeof result.error === "string" ? result.error : JSON.stringify(result.error);
-            return `Error ${message}`;
-        }
-    }
+function failWithCustomMaxRetries(maxRetries: number): void {
+    const retryPolicy = {
+        maxAttempts: maxRetries,
+        minDelay: BigInt(1000),
+        maxDelay: BigInt(1000),
+        multiplier: 1,
+    };
+    const retry = useRetryPolicy(retryPolicy);
+    executeWithDrop([retry], () => {
+        throw new Error('Fail now');
+    });
 }
 
-const operationOne: Operation<bigint, bigint, string> = operation(
-    (input: bigint) => {
+function explicitCommit(replicas: number): void {
+    const now = new Date();
+    console.log(`Starting commit with ${replicas} replicas at ${now}`);
+    oplogCommit(replicas);
+    console.log('Finished commit');
+}
+
+function infallibleTransactionTest(): number {
+    const result = infallibleTransaction(tx => {
+        const result = tx.execute(operationOne, undefined);
+        return tx.execute(operationTwo, result)
+    });
+    return result;
+}
+
+const operationOne = operation(
+    (_: void) => {
         const random = Math.floor(Math.random() * 10);
-        if (random < 5) {
-            console.log(`OperationOne | input: ${input} | random ${random} | negative input detected`)
-            return Result.err("input cannot be negative");
+        if (random < 4) {
+            console.log(`OperationOne error | random ${random}`)
+            return Result.err("random was < 4");
         } else {
             console.log(`OperationOne | incrementing input by 1`)
-            return Result.ok(input + BigInt(1));
+            return Result.ok(random);
         }
     },
     (input, result) => {
@@ -50,17 +67,15 @@ const operationOne: Operation<bigint, bigint, string> = operation(
 );
   
 const operationTwo = operation( 
-    (input: bigint) => {
-        const random = Math.floor(Math.random() * 10);
-        if (random < 8) {
-            console.log(`OperationTwo | input: ${input} | input too large`)
+    (input: number) => {
+        if (input < 7) {
+            console.log(`OperationTwo error | input ${input}`)
             return Result.err( {
-                code: "invalid_random",
-                message: "random number not = 9"
+                code: "invalid_num",
+                message: "Random number < 7"
             });
         } else {
-            console.log(`OperationTwo | input: ${input} | converting input to string`)
-            return Result.ok("Valid BigInt: " + input.toString());
+            return Result.ok(input);
         }
     },
     (input, result) => {
diff --git a/test/src/interfaces/golem-it-api.d.ts b/test/src/interfaces/golem-it-api.d.ts
new file mode 100644
index 0000000..d62359f
--- /dev/null
+++ b/test/src/interfaces/golem-it-api.d.ts
@@ -0,0 +1,6 @@
+export namespace GolemItApi {
+  export function failWithCustomMaxRetries(maxRetries: number): void;
+  export function explicitCommit(replicas: number): void;
+  export function fallibleTransactionTest(): boolean;
+  export function infallibleTransactionTest(): number;
+}
diff --git a/test/src/interfaces/golem-ts-api.d.ts b/test/src/interfaces/golem-ts-api.d.ts
deleted file mode 100644
index 64be043..0000000
--- a/test/src/interfaces/golem-ts-api.d.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export namespace GolemTsApi {
-  export function process(a: bigint): string;
-  export function processFallible(a: bigint): string;
-}
diff --git a/test/tsconfig.json b/test/tsconfig.json
index b7b91fa..8457960 100644
--- a/test/tsconfig.json
+++ b/test/tsconfig.json
@@ -1,12 +1,13 @@
 {
   "compilerOptions": {
-    "target": "ES2017",
-    "outDir": "./test/out",
+    "target": "ES2020",
+    "outDir": "./out",
     "rootDir": "../",
-    "lib": ["es2022", "dom"],
+    "lib": ["ES2020"],
+    "types": ["node"],
     "baseUrl": ".",
     "paths": {
-      "golem-ts": ["../lib"]
+      "golem-ts": ["../lib/src/index.ts"]
     },
     "moduleResolution": "node",
   },
diff --git a/test/wit/main.wit b/test/wit/main.wit
index d934c3b..a83044e 100644
--- a/test/wit/main.wit
+++ b/test/wit/main.wit
@@ -1,11 +1,14 @@
-package golem:ts;
+package golem:it;
 
 interface api {
-  process: func(a: u64) -> string;
-  process-fallible: func(a: u64) -> string;
+  fail-with-custom-max-retries: func(max-retries: u32) -> ();
+  explicit-commit: func(replicas: u8) -> ();
+
+  fallible-transaction-test: func() -> bool;
+  infallible-transaction-test: func() -> u32;
 }
 
-world test {
+world golem-ts-tests {
   import golem:api/host@0.2.0;
   export api;
-}
+}
\ No newline at end of file