diff --git a/test/test_dns_updater.cpp b/test/test_dns_updater.cpp
index 8697d4c..2a425c0 100644
--- a/test/test_dns_updater.cpp
+++ b/test/test_dns_updater.cpp
@@ -1,13 +1,14 @@
 #include "dns_updater.hpp"
 
-#include <gtest/gtest.h>
-
-#include <fstream>
 #include <experimental/filesystem>
+#include <fstream>
+
+#include <gtest/gtest.h>
 
 static constexpr auto IN_FILE = "/tmp/" __BASE_FILE__ "netif_state";
 static constexpr auto OUT_FILE = "/tmp/" __BASE_FILE__ "resolv.conf";
-static constexpr auto COMPARE_FILE = "/tmp/" __BASE_FILE__ "resolv_compare.conf";
+static constexpr auto COMPARE_FILE =
+    "/tmp/" __BASE_FILE__ "resolv_compare.conf";
 static constexpr auto DNS_ENTRY_1 = "DNS=1.2.3.4\n";
 static constexpr auto DNS_ENTRY_2 = "DNS=5.6.7.8\n";
 
@@ -15,38 +16,38 @@
 
 class DnsUpdateTest : public ::testing::Test
 {
-    public:
-        // Gets called as part of each TEST_F construction
-        DnsUpdateTest()
-        {
-            // Create a file containing DNS entries like in netif/state
-            std::ofstream file(IN_FILE);
-            file << DNS_ENTRY_1;
-            file << DNS_ENTRY_2;
+  public:
+    // Gets called as part of each TEST_F construction
+    DnsUpdateTest()
+    {
+        // Create a file containing DNS entries like in netif/state
+        std::ofstream file(IN_FILE);
+        file << DNS_ENTRY_1;
+        file << DNS_ENTRY_2;
 
-            // Create a file to compare the results against
-            std::ofstream compare(COMPARE_FILE);
-            compare << "### Generated by phosphor-networkd ###\n";
-            compare << "nameserver 1.2.3.4\n";
-            compare << "nameserver 5.6.7.8\n";
-        }
+        // Create a file to compare the results against
+        std::ofstream compare(COMPARE_FILE);
+        compare << "### Generated by phosphor-networkd ###\n";
+        compare << "nameserver 1.2.3.4\n";
+        compare << "nameserver 5.6.7.8\n";
+    }
 
-        // Gets called as part of each TEST_F destruction
-        ~DnsUpdateTest()
+    // Gets called as part of each TEST_F destruction
+    ~DnsUpdateTest()
+    {
+        if (fs::exists(IN_FILE))
         {
-            if (fs::exists(IN_FILE))
-            {
-                fs::remove(IN_FILE);
-            }
-            if (fs::exists(OUT_FILE))
-            {
-                fs::remove(OUT_FILE);
-            }
-            if (fs::exists(COMPARE_FILE))
-            {
-                fs::remove(COMPARE_FILE);
-            }
+            fs::remove(IN_FILE);
         }
+        if (fs::exists(OUT_FILE))
+        {
+            fs::remove(OUT_FILE);
+        }
+        if (fs::exists(COMPARE_FILE))
+        {
+            fs::remove(COMPARE_FILE);
+        }
+    }
 };
 
 /** @brief Makes outfile is updated with right contents