diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5a91533e..b9c66819 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,3 +49,12 @@ jobs:
         with:
           name: cddl
           path: "*.cddl"
+  no-split-vars:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14.x
+      - name: Check no break lines inside blocks
+        run: node ./scripts/formatter/no_split_var.js
diff --git a/scripts/formatter/no_split_var.js b/scripts/formatter/no_split_var.js
index 7fbf3ad4..0fb1e056 100644
--- a/scripts/formatter/no_split_var.js
+++ b/scripts/formatter/no_split_var.js
@@ -8,7 +8,8 @@ const specLines = fs.readFileSync(specPath, 'utf-8')
     .split('\n');
 
 let failed = [];
-const openClosePairs = [["[=", "=]"], ["<dfn", "</dfn"], ["<var", "</var"], ["[", "]"], ["<code", "</code"]];
+const openClosePairs = [["[=", "=]"], ["<dfn", "</dfn"], ["<var", "</var"],
+  ["[", "]"], ["<code", "</code"]];
 
 for (let i = 0; i < specLines.length; i++) {
   const line = specLines[i];
diff --git a/scripts/test.sh b/scripts/test.sh
index 776912ff..e5d83729 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -19,6 +19,3 @@ $ROOT/scripts/cddl/generate.js
 
 cddl compile-cddl --cddl local.cddl
 cddl compile-cddl --cddl remote.cddl
-
-# Check break lines inside blocks.
-$ROOT/scripts/formatter/no_split_var.js