test(utils): check boundary robustness of escapeXML helper (JhaSourav07#1558)

Author: Priti-007

lib/svg/generator.test.ts

@@ -1211,6 +1211,10 @@ describe('escapeXML', () => {
   it('escapes script injection characters <script>&" together', () => {
     expect(escapeXML('<script>&"')).toBe('&lt;script&gt;&amp;&quot;');
   });
+
+  it('should handle boundary input with only special XML characters', () => {
+    expect(escapeXML('<>&"\'')).toBe('&lt;&gt;&amp;&quot;&#39;');
+  });
 });
 
 describe('particleCount', () => {