igloo: skip the two failing global time picker E2E tests

JIRA-Ref: CMK-37024
Change-Id: Id22519e4c10ea27868ad5dd38279e8fa6fd1a94a

Author: smeagol91

tests/system/gui/test_graph_global_time_picker.py

@@ -15,6 +15,7 @@
 import re
 from typing import Final
 
+import pytest
 from playwright.sync_api import expect
 
 from tests.system.gui.testlib.playwright.pom.graphing.timeseries_graph import ServiceGraphs
@@ -39,6 +40,7 @@ def _document_survived(graphs: ServiceGraphs) -> bool:
     return bool(graphs.page.evaluate("window.__cmkGlobalTimePickerMarker === true"))
 
 
+@pytest.mark.skip(reason="CMK-37024; the panel's timestamp is addressed by the wrong class.")
 def test_one_preset_selection_moves_every_graph_on_the_page(
     service_graphs: ServiceGraphs, javascript_errors: list[str]
 ) -> None:
@@ -78,6 +80,7 @@ def test_one_preset_selection_moves_every_graph_on_the_page(
     assert not javascript_errors, f"JavaScript errors were raised: {javascript_errors}"
 
 
+@pytest.mark.skip(reason="CMK-37024; `ServicePage.navigate` raises, so the return trip fails.")
 def test_selected_range_is_not_restored_after_navigating_away(
     service_graphs: ServiceGraphs, javascript_errors: list[str]
 ) -> None: