Add TESTC-3X test sequences to produce nested hosts from different 8.X upgrades

More specifically:
- TESTC-33-uefi: install XCP-ng 8.1 with UEFI and upgrade to nightly
- TESTC-33-bios: install XCP-ng 8.1 with BIOS and upgrade to nightly
- TESTC-34-uefi: install XCP-ng 8.2.1 with UEFI and upgrade to nightly
- TESTC-34-bios: install XCP-ng 8.2.1 with BIOS and upgrade to nightly
- TESTC-35-uefi: install XCP-ng 8.3.0 with UEFI and upgrade to nightly
- TESTC-35-bios: install XCP-ng 8.3.0 with BIOS and upgrade to nightly

Signed-off-by: Vincent Michel <vincent.michel@vates.tech>

Author: vxgmichel

tests/install/test-sequences/TESTC-33-bios.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[bios-81-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-bios-81-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[bios-81-host2-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[bios-81-83nightly-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[bios-81-83nightly-host2-iso-ext]

tests/install/test-sequences/TESTC-33-uefi.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[uefi-81-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-uefi-81-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[uefi-81-host1-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[uefi-81-83nightly-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[uefi-81-83nightly-host1-iso-ext]

tests/install/test-sequences/TESTC-34-bios.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[bios-821.1-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-bios-821.1-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[bios-821.1-host2-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[bios-821.1-83nightly-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[bios-821.1-83nightly-host2-iso-ext]

tests/install/test-sequences/TESTC-34-uefi.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[uefi-821.1-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-uefi-821.1-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[uefi-821.1-host1-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[uefi-821.1-83nightly-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[uefi-821.1-83nightly-host1-iso-ext]

tests/install/test-sequences/TESTC-35-bios.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[bios-830-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-bios-830-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[bios-830-host2-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[bios-830-83nightly-host2-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[bios-830-83nightly-host2-iso-ext]

tests/install/test-sequences/TESTC-35-uefi.lst

@@ -0,0 +1,5 @@
+tests/install/test.py::TestNested::test_install[uefi-830-iso-ext]
+tests/install/test.py::TestNested::test_tune_firstboot[None-uefi-830-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_inst[uefi-830-host1-iso-ext]
+tests/install/test.py::TestNested::test_upgrade[uefi-830-83nightly-host1-iso-ext]
+tests/install/test.py::TestNested::test_boot_upg[uefi-830-83nightly-host1-iso-ext]