test: test UEFI boot manager

Provide a unit test for

* efidebug boot add
* efidebug boot order
* bootefi bootmgr
* initrd via EFI_LOAD_FILE2_PROTOCOL

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

test/py/tests/test_efi_bootmgr/conftest.py

@@ -0,0 +1,42 @@
+# SPDX-License-Identifier:      GPL-2.0+
+
+"""Fixture for UEFI bootmanager test
+"""
+
+import os
+import pytest
+import shutil
+from subprocess import call, check_call
+
+@pytest.fixture(scope='session')
+def efi_bootmgr_data(u_boot_config):
+    """Set up a file system to be used in UEFI bootmanager
+       tests
+
+    Args:
+        u_boot_config: U-boot configuration.
+
+    Return:
+        A path to disk image to be used for testing
+    """
+    mnt_point = u_boot_config.persistent_data_dir + '/test_efi_bootmgr'
+    image_path = u_boot_config.persistent_data_dir + '/efi_bootmgr.img'
+
+    shutil.rmtree(mnt_point, ignore_errors=True)
+    os.mkdir(mnt_point, mode = 0o755)
+
+    with open(mnt_point + '/initrd-1.img', 'w', encoding = 'ascii') as file:
+        file.write("initrd 1")
+
+    with open(mnt_point + '/initrd-2.img', 'w', encoding = 'ascii') as file:
+        file.write("initrd 2")
+
+    shutil.copyfile(u_boot_config.build_dir + '/lib/efi_loader/initrddump.efi',
+                    mnt_point + '/initrddump.efi')
+
+    check_call('virt-make-fs --partition=gpt --size=+1M --type=vfat {} {}'
+               .format(mnt_point, image_path), shell=True)
+
+    print(image_path)
+
+    yield image_path