fix failing test case and enabled test command in workflow

Author: naman-contentstack

.github/workflows/node.js.yml

@@ -25,4 +25,4 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - run: npm ci
       - run: npm run build --if-present
-    # - run: npm test
+      - run: npm test

tests/integration/tsgen.integration.test.ts

@@ -28,7 +28,7 @@ describe("Integration Test for tsgen command", () => {
 
     const generatedContent = fs.readFileSync(outputFilePath, "utf8");
     expect(generatedContent).toContain("interface"); // Verify TypeScript interface presence
-    expect(generatedContent).toMatch(/\/\*\*.*\*\/\n\s*(export)/); // Multi-line comment block check
+    expect(generatedContent).toMatch(/\/\*\*[\s\S]*?\*\/[\s\S]*?export/); // Multi-line comment block check
   });
 
   // Test case 2: Generate TypeScript types with a prefix applied
@@ -61,7 +61,7 @@ describe("Integration Test for tsgen command", () => {
       });
     }
 
-    expect(generatedContent).toMatch(/\/\*\*.*\*\/\n\s*(export)/); // Multi-line comment block check
+    expect(generatedContent).toMatch(/\/\*\*[\s\S]*?\*\/[\s\S]*?export/); // Multi-line comment block check
   });
 
   // Test case 3: Generate TypeScript types without documentation comments