test: improve test output (#1333)

This test sometimes never completes when running on Jenkins. This commit
adds en extra assertion that might help us identify why.

Author: watson

test/instrumentation/modules/http/_assert.js

@@ -3,13 +3,13 @@
 module.exports = assert
 
 function assert (t, data) {
-  t.equal(data.transactions.length, 1)
-  t.equal(data.spans.length, 0)
+  t.equal(data.transactions.length, 1, 'should have one transaction')
+  t.equal(data.spans.length, 0, 'should have zero spans')
 
   var trans = data.transactions[0]
 
-  t.equal(trans.name, 'GET unknown route')
-  t.equal(trans.type, 'request')
-  t.equal(trans.result, 'HTTP 2xx')
-  t.equal(trans.context.request.method, 'GET')
+  t.equal(trans.name, 'GET unknown route', 'should have expected transaction name')
+  t.equal(trans.type, 'request', 'should have expected transaction type')
+  t.equal(trans.result, 'HTTP 2xx', 'should have expected transaction result')
+  t.equal(trans.context.request.method, 'GET', 'should have expected transaction context.request.method')
 }

test/instrumentation/modules/http/aborted-requests-enabled.js

@@ -14,7 +14,7 @@ agent._conf.errorOnAbortedRequests = true
 
 test('client-side abort below error threshold - call end', function (t) {
   var clientReq
-  t.plan(8)
+  t.plan(9)
 
   resetAgent(function (data) {
     assert(t, data)
@@ -49,7 +49,7 @@ test('client-side abort below error threshold - call end', function (t) {
       t.fail('should not call http.get callback')
     })
     clientReq.on('error', function (err) {
-      if (err.code !== 'ECONNRESET') throw err
+      t.equal(err.code, 'ECONNRESET', 'client request should emit ECONNRESET error')
     })
   })
 })