diff --git a/src/diagrams/common/common.spec.js b/src/diagrams/common/common.spec.js
index ac7309829..01033d3ce 100644
--- a/src/diagrams/common/common.spec.js
+++ b/src/diagrams/common/common.spec.js
@@ -1,4 +1,4 @@
-import { sanitizeText, removeScript, removeEscapes } from './common';
+import { sanitizeText, removeScript, removeEscapes, parseGenericTypes } from './common';
 
 describe('when securityLevel is antiscript, all script must be removed', function () {
   /**
@@ -103,3 +103,10 @@ describe('Sanitize text', function () {
     expect(result).not.toContain('javascript:alert(1)');
   });
 });
+
+describe('generic parser', function () {
+  it('should parse generic types', function () {
+    const result = parseGenericTypes('test~T~');
+    expect(result).toEqual('test<T>');
+  });
+});