parse SAM-EM ITC output for GeophiresXResult (NatLabRockies#404)

Author: softwareengineerprogrammer

src/geophires_x_client/geophires_x_result.py

@@ -81,6 +81,8 @@ class GeophiresXResult:
                 'Accrued financing during construction',
                 # Displayed for economic models that don't treat inflation costs as capital costs (non-SAM-EM)
                 'Inflation costs during construction',
+                # Displayed as economic parameter for SAM-EM (non-SAM-EMs treat as capital cost)
+                'Investment Tax Credit',
                 'Project lifetime',
                 'Capacity factor',
                 'Project NPV',

tests/geophires_x_tests/test_economics_sam.py

@@ -74,6 +74,8 @@ def _lcoe(r: GeophiresXResult) -> float:
         self.assertEqual(rdr['value'], 7.0)
         self.assertEqual(rdr['unit'], '%')
 
+        self.assertIsNotNone(base_result.result['ECONOMIC PARAMETERS']['Investment Tax Credit'])
+
     def test_drawdown(self):
         r = self._get_result(
             {'Plant Lifetime': 20, 'End-Use Option': 1}, file_path=self._get_test_file_path('../examples/example13.txt')