We already have the meson_python wheel, can't built it in isolated mode inside OBS

Index: meson_python-0.11.0/tests/conftest.py
===================================================================
--- meson_python-0.11.0.orig/tests/conftest.py
+++ meson_python-0.11.0/tests/conftest.py
@@ -133,17 +133,7 @@ def disable_pip_version_check():
 
 @pytest.fixture(scope='session')
 def pep518_wheelhouse(tmpdir_factory):
-    wheelhouse = tmpdir_factory.mktemp('wheelhouse')
-    meson_python = str(package_dir.parent.parent)
-    # Populate wheelhouse with wheel for the following packages and
-    # their dependencies.  Wheels are downloaded from PyPI or built
-    # from the source distribution as needed.  Sources or wheels in
-    # the pip cache are used when available.
-    packages = [
-        meson_python,
-    ]
-    subprocess.run([sys.executable, '-m', 'pip', 'wheel', '--wheel-dir', str(wheelhouse), *packages], check=True)
-    return str(wheelhouse)
+    return str(package_dir.parent.parent / 'build')
 
 
 @pytest.fixture