diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 3a855af..96cf2c0 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -11,6 +11,7 @@ env:
   AS: nasm
   RUST_TOOLCHAIN: nightly-2023-12-31
   TOOLCHAIN_PROFILE: minimal
+  LIBGUESTFS_BACKEND: direct
 
 permissions:
   contents: read
diff --git a/sh_script/integration_test.py b/sh_script/integration_test.py
index 8d2339c..8097ed3 100644
--- a/sh_script/integration_test.py
+++ b/sh_script/integration_test.py
@@ -265,7 +265,7 @@ def test_config_A_quote_verification():
         LOG.debug("Export quote form CA\n")
         cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, open(ca_host_path).read())
         
-        with open("quote.data", "wb") as fp:
+        with open(quote_path, "wb") as fp:
             fp.write(cert.get_extension(quote_extension_index).get_data())
             LOG.debug("quote data export successfully: quote.data")
             
@@ -846,7 +846,7 @@ def test_config_B_no_sb_quote_verification():
         LOG.debug("Export quote form CA\n")
         cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, open(ca_host_path).read())
         
-        with open("quote.data", "wb") as fp:
+        with open(quote_path, "wb") as fp:
             fp.write(cert.get_extension(quote_extension_index).get_data())
             LOG.debug("quote data export successfully: quote.data")
             
@@ -1380,7 +1380,7 @@ def test_config_B_sb_quote_verification():
         LOG.debug("Export quote form CA\n")
         cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, open(ca_host_path).read())
         
-        with open("quote.data", "wb") as fp:
+        with open(quote_path, "wb") as fp:
             fp.write(cert.get_extension(quote_extension_index).get_data())
             LOG.debug("quote data export successfully: quote.data")