diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index b265b7a827..a4c5c1e01b 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -102,7 +102,7 @@ jobs:
           args: >-
             ${{
               (matrix.test.type == 'orbit-eth') && '--l3node --l3-token-bridge' ||
-              (matrix.test.type == 'orbit-custom-16dec' && '--l3-fee-token --l3-fee-token-decimals 16') ||
+              (matrix.test.type == 'orbit-custom-6dec' && '--l3-fee-token --l3-fee-token-decimals 6') ||
               (matrix.test.type == 'orbit-custom-18dec' && '--l3-fee-token') ||
               (matrix.test.type == 'orbit-custom-20dec' && '--l3-fee-token --l3-fee-token-decimals 20') ||
               ''
@@ -115,7 +115,7 @@ jobs:
           command: >-
             ${{
               (matrix.test.type == 'orbit-eth') && 'yarn test:e2e:orbit --browser chrome' ||
-              (matrix.test.type == 'orbit-custom-16dec' && 'yarn test:e2e:orbit:custom-gas-token --browser chrome') ||
+              (matrix.test.type == 'orbit-custom-6dec' && 'yarn test:e2e:orbit:custom-gas-token --browser chrome') ||
               (matrix.test.type == 'orbit-custom-18dec' && 'yarn test:e2e:orbit:custom-gas-token --browser chrome') ||
               (matrix.test.type == 'orbit-custom-20dec' && 'yarn test:e2e:orbit:custom-gas-token --browser chrome') ||
               (matrix.test.type == 'cctp' && 'yarn test:e2e:cctp --browser chrome') ||
diff --git a/.github/workflows/formatSpecfiles.js b/.github/workflows/formatSpecfiles.js
index 7494cdd251..9948ac5b19 100644
--- a/.github/workflows/formatSpecfiles.js
+++ b/.github/workflows/formatSpecfiles.js
@@ -12,25 +12,21 @@ switch (testType) {
         ...spec,
         type: "regular",
         typeName: "",
-        testnodeArgs: "",
       });
       tests.push({
         ...spec,
         type: "orbit-eth",
         typeName: "with L3 (ETH)",
-        testnodeArgs: "--l3node --l3-token-bridge",
       });
       tests.push({
         ...spec,
-        type: "orbit-custom-16dec",
-        typeName: "with L3 (16 decimals custom)",
-        testnodeArgs: "--l3node --l3-token-bridge --l3-fee-token --l3-fee-token-decimals 16",
+        type: "orbit-custom-6dec",
+        typeName: "with L3 (6 decimals custom)",
       });
       tests.push({
         ...spec,
         type: "orbit-custom-18dec",
         typeName: "with L3 (18 decimals custom)",
-        testnodeArgs: "--l3node --l3-token-bridge --l3-fee-token",
       });
       tests.push({
         ...spec,
diff --git a/yarn.lock b/yarn.lock
index 30f2747718..9325a88327 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -89,6 +89,17 @@
     async-mutex "^0.4.0"
     ethers "^5.1.0"
 
+"@arbitrum/sdk@^4.0.2-beta.0":
+  version "4.0.2-beta.0"
+  resolved "https://registry.yarnpkg.com/@arbitrum/sdk/-/sdk-4.0.2-beta.0.tgz#864e38797d9f25e0b0d6a5f0147d60bd5b5db3b6"
+  integrity sha512-Q22DqEYzlkspvx6h9LUgTFgpUr9PNtPiyp4hTaODOdNl+cbpVAz6G9x04iMAnNia9sP0KffhDD5WxS4CzFrFFw==
+  dependencies:
+    "@ethersproject/address" "^5.0.8"
+    "@ethersproject/bignumber" "^5.1.1"
+    "@ethersproject/bytes" "^5.0.8"
+    async-mutex "^0.4.0"
+    ethers "^5.1.0"
+
 "@babel/code-frame@7.12.11":
   version "7.12.11"
   resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.11.tgz"