test: tolerate wrapped schema error output

Author: PascalThuet

tests/integrations/test_integration_subcommand.py

@@ -111,8 +111,9 @@ def test_list_rejects_newer_integration_state_schema(self, tmp_path):
             os.chdir(old_cwd)
 
         assert result.exit_code != 0
-        assert "schema 99" in result.output
-        assert "only supports schema 1" in result.output
+        normalized = " ".join(result.output.split())
+        assert "schema 99" in normalized
+        assert "only supports schema 1" in normalized
 
 
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