This removes direct path manipulation to figure out the source dir

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 tests/functional/test_acpi_bits.py | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/tests/functional/test_acpi_bits.py b/tests/functional/test_acpi_bits.py
index 8763ea0822..59d0383563 100755
--- a/tests/functional/test_acpi_bits.py
+++ b/tests/functional/test_acpi_bits.py
@@ -38,7 +38,6 @@
 import tarfile
 import zipfile
 
-from pathlib import Path
 from typing import (
     List,
     Optional,
@@ -119,7 +118,6 @@ class AcpiBitsTest(QemuSystemTest): #pylint: disable=too-many-instance-attribute
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._vm = None
-        self._baseDir = None
 
         self._debugcon_addr = '0x403'
         self._debugcon_log = 'debugcon-log.txt'
@@ -134,26 +132,22 @@ def _print_log(self, log):
     def copy_bits_config(self):
         """ copies the bios bits config file into bits.
         """
-        config_file = 'bits-cfg.txt'
-        bits_config_dir = os.path.join(self._baseDir, 'acpi-bits',
-                                       'bits-config')
+        bits_config_file = self.data_file('acpi-bits',
+                                          'bits-config',
+                                          'bits-cfg.txt')
         target_config_dir = os.path.join(self.workdir,
                                          'bits-%d' %self.BITS_INTERNAL_VER,
                                          'boot')
-        self.assertTrue(os.path.exists(bits_config_dir))
+        self.assertTrue(os.path.exists(bits_config_file))
         self.assertTrue(os.path.exists(target_config_dir))
-        self.assertTrue(os.access(os.path.join(bits_config_dir,
-                                               config_file), os.R_OK))
-        shutil.copy2(os.path.join(bits_config_dir, config_file),
-                     target_config_dir)
+        shutil.copy2(bits_config_file, target_config_dir)
         self.logger.info('copied config file %s to %s',
-                         config_file, target_config_dir)
+                         bits_config_file, target_config_dir)
 
     def copy_test_scripts(self):
         """copies the python test scripts into bits. """
 
-        bits_test_dir = os.path.join(self._baseDir, 'acpi-bits',
-                                     'bits-tests')
+        bits_test_dir = self.data_file('acpi-bits', 'bits-tests')
         target_test_dir = os.path.join(self.workdir,
                                        'bits-%d' %self.BITS_INTERNAL_VER,
                                        'boot', 'python')
@@ -256,8 +250,6 @@ def setUp(self): # pylint: disable=arguments-differ
         super().setUp()
         self.logger = self.log
 
-        self._baseDir = Path(__file__).parent
-
         prebuiltDir = os.path.join(self.workdir, 'prebuilt')
         if not os.path.isdir(prebuiltDir):
             os.mkdir(prebuiltDir, mode=0o775)
-- 
2.46.0