add test for info.json

tests/http-api.spec.ts

@@ -56,6 +56,7 @@ describe('http api', function () {
     clock = useFakeTimers({ shouldAdvanceTime: true });
 
     config.registrationRequirementPow = true;
+    config.registrationRequirementTos = './tests/fixtures/tos.txt';
     const testdwn = await getTestDwn(true, true);
     dwn = testdwn.dwn;
     tenantGate = testdwn.tenantGate;
@@ -902,4 +903,18 @@ describe('http api', function () {
       expect(response.status).to.equal(404);
     });
   });
+
+  describe('/info.json', function () {
+    it('verify /info.json has some of the fields it is supposed to have', async function () {
+      const resp = await fetch(`http://localhost:3000/info.json`);
+      expect(resp.status).to.equal(200);
+
+      const info = await resp.json();
+      expect(info['server']).to.equal('@web5/dwn-server');
+      expect(info['registrationRequirements']).to.include('terms-of-service');
+      expect(info['registrationRequirements']).to.include(
+        'proof-of-work-sha256-v0',
+      );
+    });
+  });
 });