fix test type errors

Author: skylerreid

test/en_pf_native_validation.jl

@@ -1,7 +1,7 @@
 @info "running explicit neutral power flow tests with native julia power flow solver"
 
 
-function conductor_correction!(data_eng::PowerModelsDistribution.EngineeringModel)
+function conductor_correction!(data_eng::AbstractDict)
     nw = data_eng
     if neutral_idx ∈ nw["conductor_ids"]
         filter!(e -> e ≠ neutral_idx, nw["conductor_ids"])
@@ -45,7 +45,7 @@ end
 
 
 
-function sourcebus_voltage_vector_correction!(data_math::MathematicalModel; explicit_neutral=true)
+function sourcebus_voltage_vector_correction!(data_math::AbstractDict; explicit_neutral=true)
     if haskey(data_math, "multinetwork")
         for (n, nw) in data_math["nw"]
             for (i, bus) in data_math["nw"]["bus"]
@@ -392,7 +392,6 @@ solution_dir = "data/opendss_solutions"
     end
 
     sol_pmd = transform_solution(res["solution"], data_math, make_si=true)
-t 
     v_maxerr_pu = compare_sol_dss_pmd(sol_dss, sol_pmd["nw"]["10"], eng_ts["nw"]["10"], data_math["nw"]["10"], verbose=false, compare_math=true)
     @test v_maxerr_pu <= 1E-1   # This tolerance is selected for the multinetwork to pass, must be tightened later. The problem may be with OpenDSS json result.