diff --git a/scripts/portfolio_test.jl b/scripts/portfolio_test.jl
index bc707bc..51e9c3f 100644
--- a/scripts/portfolio_test.jl
+++ b/scripts/portfolio_test.jl
@@ -21,7 +21,6 @@ p = Portfolio(0.07)
 t = SupplyTechnology{ThermalStandard}(
     "thermal_tech",
     true,
-    ThermalStandard,
     PSY.ThermalFuels.COAL,
     PSY.PrimeMovers.ST,
     0.98, # cap factor
@@ -39,3 +38,4 @@ get_technologies(SupplyTechnology{ThermalStandard}, p)
 PSIP.remove_technology!(SupplyTechnology{ThermalStandard}, p, "thermal_tech")
 
 get_available(t)
+IS.deserialize(p)
diff --git a/test/Project.toml b/test/Project.toml
index 4d450b6..5de27b8 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -3,6 +3,7 @@ Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 InfrastructureSystems = "2cd47ed4-ca9b-11e9-27f2-ab636a7671f1"
 PowerSystems = "bcd98974-b02a-5e2f-9ee0-a103f5c450dd"
 PowerSystemsInvestmentsPortfolios = "bed98974-b02a-5e2f-9fe0-a103f8c450dd"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 julia = "^1.6"