tests update

test/utils/math/Math.test.js

@@ -314,12 +314,9 @@ describe('Math', function () {
       const p = factors.reduce((acc, f) => acc * f, 1n);
 
       describe(`using p=${p} which is ${(p > 1 && factors.length > 1) ? 'not ' : ''}a prime`, function () {
-        it('trying to inverse 0 reverts', async function () {
+        it('trying to inverse 0 returns 0', async function () {
           expect(await this.mock.$invMod(0, p)).to.equal(0n);
-        });
-
-        it('trying to inverse p reverts', async function () {
-          expect(await this.mock.$invMod(p, p)).to.equal(0n);
+          expect(await this.mock.$invMod(p, p)).to.equal(0n); // p is 0 mod p
         });
 
         if (p != 0) {