remove superfluous use of branch_flows output parameter in tests, closes #881 (#882)

Author: ccoffrin

test/data.jl

@@ -157,7 +157,7 @@ end
 
 
     @testset "5-bus case solution with duals" begin
-        result = run_dc_opf("../test/data/matpower/case5.m", nlp_solver, setting = Dict("output" => Dict("branch_flows" => true, "duals" => true)))
+        result = run_dc_opf("../test/data/matpower/case5.m", nlp_solver, setting = Dict("output" => Dict("duals" => true)))
         result_base = deepcopy(result)
 
         PowerModels.make_mixed_units!(result["solution"])

test/pf.jl

@@ -93,7 +93,7 @@ end
     #=
     # numerical issues with ipopt, likely div. by zero issue in jacobian
     @testset "5-bus case with hvdc line" begin
-        result = run_pf("../test/data/matpower/case5_dc.m", ACRPowerModel, nlp_solver, setting = Dict("output" => Dict("branch_flows" => true)))
+        result = run_pf("../test/data/matpower/case5_dc.m", ACRPowerModel, nlp_solver)
 
         @test result["termination_status"] == LOCALLY_SOLVED
         @test isapprox(result["objective"], 0; atol = 1e-2)

test/warmstart.jl

@@ -40,7 +40,7 @@ end
 @testset "dc warm starts" begin
     @testset "5 bus case" begin
         data = PowerModels.parse_file("../test/data/matpower/case5.m")
-        result = run_dc_opf(data, nlp_solver; setting = Dict("output" => Dict("branch_flows" => true)));
+        result = run_dc_opf(data, nlp_solver)
 
         PowerModels.update_data!(data, result["solution"])
 
@@ -55,7 +55,7 @@ end
 
     @testset "5 bus pwl case" begin
         data = PowerModels.parse_file("../test/data/matpower/case5_pwlc.m")
-        result = run_dc_opf(data, nlp_solver; setting = Dict("output" => Dict("branch_flows" => true)));
+        result = run_dc_opf(data, nlp_solver)
 
         PowerModels.update_data!(data, result["solution"])
 
@@ -73,7 +73,7 @@ end
 @testset "ac warm starts" begin
     @testset "5 bus case" begin
         data = PowerModels.parse_file("../test/data/matpower/case5.m")
-        result = run_ac_opf(data, nlp_solver; setting = Dict("output" => Dict("branch_flows" => true)));
+        result = run_ac_opf(data, nlp_solver)
 
         PowerModels.update_data!(data, result["solution"])
 
@@ -88,7 +88,7 @@ end
 
     @testset "5 bus pwl case" begin
         data = PowerModels.parse_file("../test/data/matpower/case5_pwlc.m")
-        result = run_ac_opf(data, nlp_solver; setting = Dict("output" => Dict("branch_flows" => true)));
+        result = run_ac_opf(data, nlp_solver)
 
         PowerModels.update_data!(data, result["solution"])