diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..ed3b907
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,28 @@
+name: Test
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build react-zpl
+        run: pnpm --filter @zpl-kit/react-zpl build
+
+      - name: Run tests
+        run: pnpm --filter @zpl-kit/tests test --run
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 6ce4744..284e2bb 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -1,5 +1,5 @@
 packages:
   - 'apps/*'
   - 'docs'
-  - 'tests/*'
+  - 'tests'
   - 'demos/*'
diff --git a/tests/unit/DiagonalLine.test.tsx b/tests/unit/DiagonalLine.test.tsx
index 7e3cefd..9abd6b8 100644
--- a/tests/unit/DiagonalLine.test.tsx
+++ b/tests/unit/DiagonalLine.test.tsx
@@ -18,7 +18,7 @@ describe('DiagonalLine', () => {
         height: 30,
       });
       expect(DiagonalLine.print(el, defaultContext)).toBe(
-        '^FO0,0\n^GD30,30,1,B,R^FS'
+        '^FO0,0\\&^GD30,30,1,B,R^FS'
       );
     });
 
@@ -32,7 +32,7 @@ describe('DiagonalLine', () => {
         thickness: 2,
       });
       expect(DiagonalLine.print(el, defaultContext)).toBe(
-        '^FO10,20\n^GD50,40,2,B,L^FS'
+        '^FO10,20\\&^GD50,40,2,B,L^FS'
       );
     });
 
diff --git a/tests/unit/Line.test.tsx b/tests/unit/Line.test.tsx
index 526ea71..eacd58a 100644
--- a/tests/unit/Line.test.tsx
+++ b/tests/unit/Line.test.tsx
@@ -17,7 +17,7 @@ describe('Line', () => {
         length: 100,
         direction: 'horizontal',
       });
-      expect(Line.print(el, defaultContext)).toBe('^FO0,0\n^GB100,1,1,B,0^FS');
+      expect(Line.print(el, defaultContext)).toBe('^FO0,0\\&^GB100,1,1,B,0^FS');
     });
 
     it('fieldOrigin, thickness, lineColor 지정 시 올바른 ZPL 생성', () => {
@@ -30,7 +30,7 @@ describe('Line', () => {
         lineColor: 'B',
       });
       expect(Line.print(el, defaultContext)).toBe(
-        '^FO10,20\n^GB100,2,2,B,0^FS'
+        '^FO10,20\\&^GB100,2,2,B,0^FS'
       );
     });
 
@@ -50,7 +50,7 @@ describe('Line', () => {
         length: 50,
         direction: 'vertical',
       });
-      expect(Line.print(el, defaultContext)).toBe('^FO0,0\n^GB1,50,1,B,0^FS');
+      expect(Line.print(el, defaultContext)).toBe('^FO0,0\\&^GB1,50,1,B,0^FS');
     });
 
     it('fieldOrigin, thickness 지정 시 올바른 ZPL 생성', () => {
@@ -61,7 +61,7 @@ describe('Line', () => {
         fieldOriginY: 40,
         thickness: 3,
       });
-      expect(Line.print(el, defaultContext)).toBe('^FO30,40\n^GB3,80,3,B,0^FS');
+      expect(Line.print(el, defaultContext)).toBe('^FO30,40\\&^GB3,80,3,B,0^FS');
     });
   });