diff --git a/.github/workflows/intergration-test.yml b/.github/workflows/intergration-test.yml
index 41ddb54..f11483f 100644
--- a/.github/workflows/intergration-test.yml
+++ b/.github/workflows/intergration-test.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        go: [ "1.14", "1.15" ]
+        go: [ "1.15", "1.16" ]
 
     steps:
       - name: Set up Go 1.x
@@ -22,6 +22,7 @@ jobs:
 
       - name: Test
         env:
+          STORAGE_OSS_INTEGRATION_TEST: ${{ secrets.STORAGE_INTEGRATION_TEST }}
           STORAGE_OSS_CREDENTIAL: ${{ secrets.STORAGE_OSS_CREDENTIAL }}
           STORAGE_OSS_NAME: ${{ secrets.STORAGE_OSS_NAME }}
           STORAGE_OSS_ENDPOINT: ${{ secrets.STORAGE_OSS_ENDPOINT }}
diff --git a/Makefile b/Makefile
index d975246..f14abf4 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ generate:
 	go generate ./...
 	go fmt ./...
 
-build: generate tidy check
+build: tidy generate check
 	go build ./...
 
 test:
@@ -32,8 +32,7 @@ test:
 	go tool cover -html="coverage.txt" -o "coverage.html"
 
 integration_test:
-	go clean -testcache ./tests
-	go test -tags integration_test -race -covermode=atomic -v ./tests
+	go test -count=1 -race -covermode=atomic -v ./tests
 
 tidy:
 	go mod tidy
diff --git a/Makefile.env.example b/Makefile.env.example
index d4a631e..d27336a 100644
--- a/Makefile.env.example
+++ b/Makefile.env.example
@@ -1,3 +1,4 @@
+export STORAGE_OSS_INTEGRATION_TEST=on
 export STORAGE_OSS_CREDENTIAL=hmac:access_key:secret_key
 export STORAGE_OSS_NAME=bucketname
 export STORAGE_OSS_ENDPOINT=https:oss-region-name.aliyuncs.com
\ No newline at end of file
diff --git a/go.sum b/go.sum
index 0d13e15..ff32f80 100644
--- a/go.sum
+++ b/go.sum
@@ -46,6 +46,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
+github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
@@ -60,6 +61,7 @@ golang.org/x/arch v0.0.0-20180920145803-b19384d3c130/go.mod h1:cYlCBUl1MsqxdiKgm
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -85,6 +87,7 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/src-d/go-billy.v4 v4.3.0 h1:KtlZ4c1OWbIs4jCv5ZXrTqG8EQocr0g/d4DjNg70aek=
 gopkg.in/src-d/go-billy.v4 v4.3.0/go.mod h1:tm33zBoOwxjYHZIE+OV8bxTWFMJLrconzFMd38aARFk=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..48fd8b8
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,32 @@
+## How run integration tests
+
+### Run tests locally
+
+Copy example files and update corresponding values.
+
+```shell
+cp Makefile.env.exmaple Makefile.env
+```
+
+Run tests
+
+```shell
+make integration_test
+```
+
+### Run tests in CI
+
+Set following environment variables:
+
+```shell
+export STORAGE_OSS_INTEGRATION_TEST=on
+export STORAGE_OSS_CREDENTIAL=hmac:access_key:secret_key
+export STORAGE_OSS_NAME=bucketname
+export STORAGE_OSS_ENDPOINT=https:oss-region-name.aliyuncs.com
+```
+
+Run tests
+
+```shell
+make integration_test
+```
diff --git a/tests/storage_test.go b/tests/storage_test.go
index 2eb0faf..8f28b5e 100644
--- a/tests/storage_test.go
+++ b/tests/storage_test.go
@@ -1,13 +1,15 @@
-// +build integration_test
-
 package tests
 
 import (
+	"os"
 	"testing"
 
 	tests "github.com/aos-dev/go-integration-test/v3"
 )
 
 func TestStorage(t *testing.T) {
+	if os.Getenv("STORAGE_OSS_INTEGRATION_TEST") != "on" {
+		t.Skipf("STORAGE_OSS_INTEGRATION_TEST is not 'on', skipped")
+	}
 	tests.TestStorager(t, setupTest(t))
 }
diff --git a/tests/utils_test.go b/tests/utils_test.go
index f13ae49..5d8c260 100644
--- a/tests/utils_test.go
+++ b/tests/utils_test.go
@@ -1,15 +1,13 @@
-// +build integration_test
-
 package tests
 
 import (
 	"os"
 	"testing"
 
+	oss "github.com/aos-dev/go-service-oss"
 	ps "github.com/aos-dev/go-storage/v3/pairs"
 	"github.com/aos-dev/go-storage/v3/types"
 	"github.com/google/uuid"
-	oss "github.com/aos-dev/go-service-oss"
 )
 
 func setupTest(t *testing.T) types.Storager {
diff --git a/tools.go b/tools.go
new file mode 100644
index 0000000..967a389
--- /dev/null
+++ b/tools.go
@@ -0,0 +1,5 @@
+//+build tools
+
+package oss
+
+import _ "github.com/aos-dev/go-storage/v3/cmd/definitions"