Test: Delete temporary file afterwards (#4028)

common/log/logger_test.go

@@ -16,6 +16,7 @@ func TestFileLogger(t *testing.T) {
 	common.Must(err)
 	path := f.Name()
 	common.Must(f.Close())
+	defer os.Remove(path)
 
 	creator, err := CreateFileLogWriter(path)
 	common.Must(err)