Upgrade golangci-lint and format some code

.travis.yml

@@ -8,8 +8,8 @@ os:
 dist: bionic
 
 go:
-  - 1.11.x
-  - 1.12.x
+#  - 1.11.x
+#  - 1.12.x
   - 1.13.x
   - 1.14.x
 
@@ -22,7 +22,7 @@ before_install:
 
 install:
   - go get -u golang.org/x/lint/golint
-  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.24.0
+  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.26.0
   - curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b ~/bin
 
 script:
@@ -30,9 +30,9 @@ script:
     case $TRAVIS_OS_NAME in
       linux|osx)
         golint ./... | reviewdog -f=golint -reporter=github-check
-        golangci-lint run --out-format=line-number -E gofmt -E golint -E misspell -E lll | reviewdog -f=golangci-lint -reporter=github-check
+        golangci-lint run --out-format=line-number -E goimports -E misspell -E godot -E lll | reviewdog -f=golangci-lint -reporter=github-check
         golint ./... | reviewdog -f=golint -reporter=github-pr-review
-        golangci-lint run --out-format=line-number -E gofmt -E golint -E misspell -E lll | reviewdog -f=golangci-lint -reporter=github-pr-review
+        golangci-lint run --out-format=line-number -E goimports -E misspell -E godot -E lll | reviewdog -f=golangci-lint -reporter=github-pr-review
         ;;
     esac
   - go test -race -coverprofile=coverage.txt -covermode=atomic -v

ants_test.go

@@ -192,6 +192,7 @@ func TestAntsPoolWithFuncGetWorkerFromCachePreMalloc(t *testing.T) {
 //-------------------------------------------------------------------------------------------
 // Contrast between goroutines without a pool and goroutines with ants pool.
 //-------------------------------------------------------------------------------------------
+
 func TestNoPool(t *testing.T) {
 	var wg sync.WaitGroup
 	for i := 0; i < n; i++ {