tmp(test/api): disable x86 tests that use reboot

Graceful shutdown is currently broken on x86_64.

Signed-off-by: Nikita Kalyazin <kalyazin@amazon.com>

Author: kalyazin

tests/integration_tests/functional/test_api.py

@@ -749,6 +749,7 @@ def test_drive_patch(uvm_plain, io_engine):
 @pytest.mark.skipif(
     platform.machine() != "x86_64", reason="not yet implemented on aarch64"
 )
+@pytest.mark.skip(reason="TODO: fix graceful shutdown on x86_64")
 def test_send_ctrl_alt_del(uvm_plain_any):
     """
     Test shutting down the microVM gracefully on x86, by sending CTRL+ALT+DEL.

tests/integration_tests/functional/test_cmd_line_start.py

@@ -156,6 +156,7 @@ def test_config_start_no_api(uvm_plain, vm_config_file):
 
 
 @pytest.mark.parametrize("vm_config_file", ["framework/vm_config_network.json"])
+@pytest.mark.skip(reason="TODO: fix graceful shutdown on x86_64")
 def test_config_start_no_api_exit(uvm_plain, vm_config_file):
     """
     Test microvm exit when API server is disabled.

tests/integration_tests/functional/test_shut_down.py

@@ -15,6 +15,7 @@
     global_props.host_linux_version_tpl > (6, 1),
     reason="The number of threads associated to firecracker changes in newer kernels",
 )
+@pytest.mark.skip(reason="TODO: fix graceful shutdown on x86_64")
 def test_reboot(uvm_plain_any):
     """
     Test reboot from guest.