Modify rule S2699: add support for supertest (#3830)

rules/S2699/javascript/rule.adoc

@@ -6,7 +6,11 @@ When the unit test is executed, the assertions are evaluated. If all the asserti
 
 Without assertions, a unit test doesn't actually verify anything, making it ineffective in catching potential bugs or regressions. It will always pass, regardless of the implementation of the unit. This can lead to a false sense of security, as you may believe that your code is working correctly when it might not be.
 
-This rule raises an issue when the assertion library ``++chai++``,``++sinon++`` or ``++vitest++`` is imported but no assertion is used in a test.
+This rule raises an issue when one of the following assertion libraries is imported but no assertion is used in a test:
+- ``++chai++``
+- ``++sinon++``
+- ``++vitest++``
+- ``++supertest++``
 
 [source,javascript,diff-id=1,diff-type=noncompliant]
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