diff --git a/testing/scenarios/common.go b/testing/scenarios/common.go
index 4433ec354..8d9e609fe 100644
--- a/testing/scenarios/common.go
+++ b/testing/scenarios/common.go
@@ -1,14 +1,23 @@
 package scenarios
 
 import (
+	"fmt"
 	"io"
+	"io/ioutil"
 	"net"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"sync"
 	"time"
 
 	"github.com/golang/protobuf/proto"
 	"v2ray.com/core"
+	"v2ray.com/core/app/log"
 	"v2ray.com/core/common"
 	v2net "v2ray.com/core/common/net"
+	"v2ray.com/core/common/retry"
 )
 
 func pickPort() v2net.Port {
@@ -59,3 +68,46 @@ func InitializeServerConfig(config *core.Config) error {
 
 	return nil
 }
+
+var (
+	runningServers    = make([]*exec.Cmd, 0, 10)
+	testBinaryPath    string
+	testBinaryPathGen sync.Once
+)
+
+func genTestBinaryPath() {
+	testBinaryPathGen.Do(func() {
+		var tempDir string
+		err := retry.Timed(5, 100).On(func() error {
+			dir, err := ioutil.TempDir("", "v2ray")
+			if err != nil {
+				return err
+			}
+			tempDir = dir
+			return nil
+		})
+		if err != nil {
+			panic(err)
+		}
+		file := filepath.Join(tempDir, "v2ray.test")
+		if runtime.GOOS == "windows" {
+			file += ".exe"
+		}
+		testBinaryPath = file
+		fmt.Printf("Generated binary path: %s\n", file)
+	})
+}
+
+func GetSourcePath() string {
+	return filepath.Join("v2ray.com", "core", "main")
+}
+
+func CloseAllServers() {
+	log.Info("Closing all servers.")
+	for _, server := range runningServers {
+		server.Process.Signal(os.Interrupt)
+		server.Process.Wait()
+	}
+	runningServers = make([]*exec.Cmd, 0, 10)
+	log.Info("All server closed.")
+}
diff --git a/testing/scenarios/server_env_coverage.go b/testing/scenarios/common_coverage.go
similarity index 64%
rename from testing/scenarios/server_env_coverage.go
rename to testing/scenarios/common_coverage.go
index 8a9529906..c29aceeae 100644
--- a/testing/scenarios/server_env_coverage.go
+++ b/testing/scenarios/common_coverage.go
@@ -3,16 +3,16 @@
 package scenarios
 
 import (
+	"bytes"
 	"os"
 	"os/exec"
 	"path/filepath"
 
-	"bytes"
 	"v2ray.com/core/common/uuid"
 )
 
 func BuildV2Ray() error {
-	GenTestBinaryPath()
+	genTestBinaryPath()
 	if _, err := os.Stat(testBinaryPath); err == nil {
 		return nil
 	}
@@ -21,21 +21,8 @@ func BuildV2Ray() error {
 	return cmd.Run()
 }
 
-func RunV2Ray(configFile string) *exec.Cmd {
-	GenTestBinaryPath()
-
-	covDir := filepath.Join(os.Getenv("GOPATH"), "out", "v2ray", "cov")
-	os.MkdirAll(covDir, os.ModeDir)
-	profile := uuid.New().String() + ".out"
-	proc := exec.Command(testBinaryPath, "-config", configFile, "-test.run", "TestRunMainForCoverage", "-test.coverprofile", profile, "-test.outputdir", covDir)
-	proc.Stderr = os.Stderr
-	proc.Stdout = os.Stdout
-
-	return proc
-}
-
 func RunV2RayProtobuf(config []byte) *exec.Cmd {
-	GenTestBinaryPath()
+	genTestBinaryPath()
 
 	covDir := filepath.Join(os.Getenv("GOPATH"), "out", "v2ray", "cov")
 	os.MkdirAll(covDir, os.ModeDir)
diff --git a/testing/scenarios/server_env_regular.go b/testing/scenarios/common_regular.go
similarity index 70%
rename from testing/scenarios/server_env_regular.go
rename to testing/scenarios/common_regular.go
index 23b35761e..6c5662d82 100644
--- a/testing/scenarios/server_env_regular.go
+++ b/testing/scenarios/common_regular.go
@@ -10,7 +10,7 @@ import (
 )
 
 func BuildV2Ray() error {
-	GenTestBinaryPath()
+	genTestBinaryPath()
 	if _, err := os.Stat(testBinaryPath); err == nil {
 		return nil
 	}
@@ -20,17 +20,8 @@ func BuildV2Ray() error {
 	return cmd.Run()
 }
 
-func RunV2Ray(configFile string) *exec.Cmd {
-	GenTestBinaryPath()
-	proc := exec.Command(testBinaryPath, "-config", configFile)
-	proc.Stderr = os.Stderr
-	proc.Stdout = os.Stdout
-
-	return proc
-}
-
 func RunV2RayProtobuf(config []byte) *exec.Cmd {
-	GenTestBinaryPath()
+	genTestBinaryPath()
 	proc := exec.Command(testBinaryPath, "-config=stdin:", "-format=pb")
 	proc.Stdin = bytes.NewBuffer(config)
 	proc.Stderr = os.Stderr
diff --git a/testing/scenarios/server_env.go b/testing/scenarios/server_env.go
deleted file mode 100644
index 0aac09116..000000000
--- a/testing/scenarios/server_env.go
+++ /dev/null
@@ -1,102 +0,0 @@
-package scenarios
-
-import (
-	"os"
-	"os/exec"
-	"path/filepath"
-	"runtime"
-	"time"
-
-	"v2ray.com/core/app/log"
-
-	"fmt"
-	"io/ioutil"
-	"sync"
-	_ "v2ray.com/core"
-	"v2ray.com/core/common/retry"
-)
-
-var (
-	runningServers    = make([]*exec.Cmd, 0, 10)
-	testBinaryPath    string
-	testBinaryPathGen sync.Once
-)
-
-func GenTestBinaryPath() {
-	testBinaryPathGen.Do(func() {
-		var tempDir string
-		err := retry.Timed(5, 100).On(func() error {
-			dir, err := ioutil.TempDir("", "v2ray")
-			if err != nil {
-				return err
-			}
-			tempDir = dir
-			return nil
-		})
-		if err != nil {
-			panic(err)
-		}
-		file := filepath.Join(tempDir, "v2ray.test")
-		if runtime.GOOS == "windows" {
-			file += ".exe"
-		}
-		testBinaryPath = file
-		fmt.Printf("Generated binary path: %s\n", file)
-	})
-}
-
-func GetSourcePath() string {
-	return filepath.Join("v2ray.com", "core", "main")
-}
-
-func TestFile(filename string) string {
-	return filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", "testing", "scenarios", "data", filename)
-}
-
-func InitializeServerSetOnce(testcase string) error {
-	if err := InitializeServerServer(testcase); err != nil {
-		return err
-	}
-	if err := InitializeServerClient(testcase); err != nil {
-		return err
-	}
-	return nil
-}
-
-func InitializeServerServer(testcase string) error {
-	return InitializeServer(TestFile(testcase + "_server.json"))
-}
-
-func InitializeServerClient(testcase string) error {
-	return InitializeServer(TestFile(testcase + "_client.json"))
-}
-
-func InitializeServer(configFile string) error {
-	err := BuildV2Ray()
-	if err != nil {
-		return err
-	}
-
-	proc := RunV2Ray(configFile)
-
-	err = proc.Start()
-	if err != nil {
-		return err
-	}
-
-	time.Sleep(time.Second)
-
-	runningServers = append(runningServers, proc)
-
-	return nil
-}
-
-func CloseAllServers() {
-	log.Info("Closing all servers.")
-	for _, server := range runningServers {
-		server.Process.Signal(os.Interrupt)
-		server.Process.Wait()
-	}
-	runningServers = make([]*exec.Cmd, 0, 10)
-	log.Info("All server closed.")
-}