test: use single DOTALL regex to verify assignment flows into Live()

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mnriem

tests/test_live_transient_windows.py

@@ -66,23 +66,25 @@ def test_transient_true_on_macos(self):
 
 
 class TestSourceContainsPlatformGuard:
-    """Ensure the platform guard and its usage in Live() are present in source."""
+    """Ensure the platform guard feeds into the Live() transient kwarg."""
+
+    # Single DOTALL regex: _transient assigned from win32 check, then used in Live()
+    _GUARD_RE = r"_transient\s*=\s*sys\.platform\s*!=\s*['\"]win32['\"].*Live\(.*transient\s*=\s*_transient"
 
     def test_init_has_win32_guard(self):
-        """init.py must check platform and pass transient to Live."""
+        """init.py must assign _transient from platform check and pass it to Live."""
         import re
 
         init_src = Path(__file__).resolve().parent.parent / "src" / "specify_cli" / "commands" / "init.py"
         content = init_src.read_text(encoding="utf-8")
-        assert re.search(r"sys\.platform\s*!=\s*['\"]win32['\"]", content)
-        assert re.search(r"transient\s*=\s*_transient", content)
+        assert re.search(self._GUARD_RE, content, re.DOTALL)
 
     def test_console_has_win32_guard(self):
-        """_console.py must check platform and pass transient to Live."""
+        """_console.py must assign _transient from platform check and pass it to Live."""
         import re
 
         console_src = Path(__file__).resolve().parent.parent / "src" / "specify_cli" / "_console.py"
         content = console_src.read_text(encoding="utf-8")
-        assert re.search(r"sys\.platform\s*!=\s*['\"]win32['\"]", content)
+        assert re.search(self._GUARD_RE, content, re.DOTALL)
         assert re.search(r"transient\s*=\s*_transient", content)
         assert "transient=_transient" in content