Adding more go version to the matrix and allow failures for go tip an…

…d 3.5 zk

test output to nil like before

.travis.yml

@@ -1,6 +1,8 @@
 language: go
 go:
   - 1.11
+  - 1.9
+  - tip
 
 go_import_path: github.com/samuel/go-zookeeper
 
@@ -26,6 +28,12 @@ script:
   - go build ./...
   - make test
 
+matrix:
+  allow_failures:
+    - go: tip
+    - env: zk_version=3.5.4-beta
+  fast_finish: true
+
 env:
   global:
     secure: Coha3DDcXmsekrHCZlKvRAc+pMBaQU1QS/3++3YCCUXVDBWgVsC1ZIc9df4RLdZ/ncGd86eoRq/S+zyn1XbnqK5+ePqwJoUnJ59BE8ZyHLWI9ajVn3fND1MTduu/ksGsS79+IYbdVI5wgjSgjD3Ktp6Y5uPl+BPosjYBGdNcHS4=

Makefile

@@ -23,8 +23,8 @@ travis: $(ZK) install-test-deps
 
 .PHONY: test
 test:
-	go test -timeout 120s -v ./...
-	go test -timeout 300s -v -i -race ./...
-	go test -timeout 300s -v -race -covermode atomic -coverprofile=profile.cov ./zk
+	go test -timeout 300s -v ./...
+	go test -timeout 400s -v -i -race ./...
+	go test -timeout 400s -v -race -covermode atomic -coverprofile=profile.cov ./zk
 	# ignore if we fail to publish coverage
 	-goveralls -coverprofile=profile.cov -service=travis-ci

cluster_test.go

@@ -1,7 +1,6 @@
 package zk
 
 import (
-	"os"
 	"sync"
 	"testing"
 	"time"
@@ -18,7 +17,7 @@ func (lw logWriter) Write(b []byte) (int, error) {
 }
 
 func TestBasicCluster(t *testing.T) {
-	ts, err := StartTestCluster(t, 3, os.Stdout, logWriter{t: t, p: "[ZKERR] "})
+	ts, err := StartTestCluster(t, 3, nil, logWriter{t: t, p: "[ZKERR] "})
 	if err != nil {
 		t.Fatal(err)
 	}

server_java.go

@@ -49,10 +49,9 @@ func New3dot4TestServer(t *testing.T, configPath string, stdout, stderr io.Write
 }
 
 func New3dot5TestServer(t *testing.T, configPath string, stdout, stderr io.Writer) (*server, error) {
-	// if os.Stat("../zookeeper-3.5.4-beta/bin/zkServer.sh")
 	zkPath := os.Getenv("ZOOKEEPER_BIN_PATH")
 	if zkPath == "" {
-		// default to a static path that can be setup with a build system
+		// default to a static reletive path that can be setup with a build system
 		zkPath = "../zookeeper/bin"
 	}
 	if _, err := os.Stat(zkPath); err != nil {