remove unused code

testing/scenarios/common_coverage.go

@@ -0,0 +1,36 @@
+// +build coverage
+
+package scenarios
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"v2ray.com/core/common/uuid"
+)
+
+func BuildV2Ray() error {
+	genTestBinaryPath()
+	if _, err := os.Stat(testBinaryPath); err == nil {
+		return nil
+	}
+
+	cmd := exec.Command("go", "test", "-tags", "json coverage coveragemain", "-coverpkg", "v2ray.com/core/...", "-c", "-o", testBinaryPath, GetSourcePath())
+	return cmd.Run()
+}
+
+func RunV2RayProtobuf(config []byte) *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=stdin:", "-format=pb", "-test.run", "TestRunMainForCoverage", "-test.coverprofile", profile, "-test.outputdir", covDir)
+	proc.Stdin = bytes.NewBuffer(config)
+	proc.Stderr = os.Stderr
+	proc.Stdout = os.Stdout
+
+	return proc
+}