minor - adjust ptc test tolerance

Author: softwareengineerprogrammer

tests/geophires_x_tests/test_economics_sam.py

@@ -650,7 +650,7 @@ def get_row(name: str):
                 return EconomicsSamTestCase._get_cash_flow_row(cash_flow, name)
 
             ptc_vals = get_row('Federal PTC income ($)')
-            self.assertListAlmostEqual(expected_ptc_usd_per_kWh, ptc_vals, percent=1)
+            self.assertListAlmostEqual(expected_ptc_usd_per_kWh, ptc_vals, percent=1.05)
 
         assert_ptc({}, [0] * 21)