sending payment always logs errors to find possible failure causes

test/primitives.ts

@@ -35,6 +35,19 @@ describe('XRPIO', () => {
         }
     })
 
+    it('getTransaction with bad hash', function(done){
+        this.timeout(10000)
+        api.getTransaction('73FECDA37ABBB2FC17460C5C2467BE6A0A8E1F4EB081FFFFFFFFFFFFFFFFFFFF') //technically this hash could exist, but probably never will
+        .then(_ => done(new Error('Expected error but succeeded')))
+        .catch(_ => done())
+    })
+
+    it('sendPayment errors on bad request sequence', function(done){
+        api.sendPayment({}, receiveWallet.address, sendWallet.secret, -12)
+        .then(_ => done(new Error('Expected error but succeeded')))
+        .catch(_ => done())
+    })
+
     it('getAccountSequence', async function(){
         this.timeout(10000)
         const seq = await api.getAccountSequence(sendWallet.address)
@@ -50,6 +63,8 @@ describe('XRPIO', () => {
         expect(cost).to.be.greaterThan(30)
     })
 
+    
+
     let txHash
     it('writeRaw', async function(){
         this.timeout(15000)