Adding new fulcrum test

test/integration/electrumx.js

@@ -367,8 +367,6 @@ describe('#ElectrumX', () => {
     })
   })
 
-  /*
-  CT 3/14/23 - This test is frequently failing in BVT due to 429 errors.
   describe('#sortAllTxs', () => {
     it('should GET transaction history for a single address', async () => {
       // Add delay for this endpoint.
@@ -387,7 +385,7 @@ describe('#ElectrumX', () => {
       assert.isAbove(sortedTransactions[0].height, sortedTransactions[1].height)
     })
   })
-  */
+  
 })
 
 function sleep (ms) {