fix spec in test pensions

Author: jdebacker

tests/test_pensions.py

@@ -32,6 +32,8 @@
         "lambdas": [0.5, 0.5],
         "labor_income_tax_noncompliance_rate": [[0.0]],
         "capital_income_tax_noncompliance_rate": [[0.0]],
+        "income_tax_filer": [[1]],
+        "wealth_tax_filer": [[1]],
         "replacement_rate_adjust": [[1.0]],
         "J": 2,
         "T": 4,