arm64 fails on azure pipelines (only)

unit_test/get_platform_test.py

@@ -7,6 +7,7 @@
 import pytest
 import setuptools._distutils.util
 
+from cibuildwheel.util import CIProvider, detect_ci_provider
 from cibuildwheel.windows import PythonConfiguration, setup_setuptools_cross_compile
 
 # monkeypatching os.name is too flaky. E.g. It works on my machine, but fails in pipeline
@@ -50,6 +51,9 @@ def test_x64(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     assert target_platform == "win-amd64"
 
 
+@pytest.mark.skipif(
+    detect_ci_provider() == CIProvider.azure_pipelines, reason="arm64 not recognised on azure"
+)
 def test_arm(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     arch = "ARM64"
     environment: Dict[str, str] = {}
@@ -66,16 +70,16 @@ def test_arm(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
 
 def test_env_set(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     arch = "32"
-    environment = {"VSCMD_ARG_TGT_ARCH": "arm64"}
+    environment = {"VSCMD_ARG_TGT_ARCH": "x64"}
 
     configuration = PythonConfiguration("irrelevant", arch, "irrelevant", None)
 
     setup_setuptools_cross_compile(tmp_path, configuration, tmp_path, environment)
     with patched_environment(monkeypatch, environment):
         target_platform = setuptools._distutils.util.get_platform()
 
-    assert environment["VSCMD_ARG_TGT_ARCH"] == "arm64"
-    assert target_platform == "win-arm64"
+    assert environment["VSCMD_ARG_TGT_ARCH"] == "x64"
+    assert target_platform == "win-amd64"
 
 
 def test_env_blank(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):