diff --git a/test/runtests.jl b/test/runtests.jl
index 4e6232ec94..8a1ecf86d9 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -26,7 +26,6 @@ using DataStructures
 import UUIDs
 using Random
 import Serialization
-using Base.Filesystem
 
 # Code Quality Tests
 import Aqua
@@ -55,28 +54,28 @@ const LOG_FILE = "power-simulations-test.log"
 ENV["RUNNING_PSI_TESTS"] = "true"
 
 const DISABLED_TEST_FILES = [
-# "test_basic_model_structs.jl",
-# "test_device_branch_constructors.jl",
-# "test_device_hydro_generation_constructors.jl",
-# "test_device_load_constructors.jl",
-# "test_device_hybrid_generation_constructors.jl",
-# "test_device_renewable_generation_constructors.jl",
-# "test_device_storage_constructors.jl",
-# "test_device_thermal_generation_constructors.jl",
-# "test_jump_model_utils.jl",
-# "test_model_decision.jl",
-# "test_problem_template.jl",
-# "test_model_emulation.jl",
-# "test_network_constructors.jl",
-"test_services_constructor.jl",
-# "test_simulation_models.jl",
-# "test_simulation_sequence.jl",
-# "test_simulation_build.jl",
-# "test_initialization_problem.jl",
-# "test_simulation_execute.jl",
-# "test_simulation_results.jl",
-# "test_simulation_results_export.jl",
-# "test_simulation_store.jl",
+    # "test_basic_model_structs.jl",
+    # "test_device_branch_constructors.jl",
+    # "test_device_hydro_generation_constructors.jl",
+    # "test_device_load_constructors.jl",
+    # "test_device_hybrid_generation_constructors.jl",
+    # "test_device_renewable_generation_constructors.jl",
+    # "test_device_storage_constructors.jl",
+    # "test_device_thermal_generation_constructors.jl",
+    # "test_jump_model_utils.jl",
+    # "test_model_decision.jl",
+    # "test_problem_template.jl",
+    # "test_model_emulation.jl",
+    # "test_network_constructors.jl",
+    "test_services_constructor.jl",
+    # "test_simulation_models.jl",
+    # "test_simulation_sequence.jl",
+    # "test_simulation_build.jl",
+    # "test_initialization_problem.jl",
+    # "test_simulation_execute.jl",
+    # "test_simulation_results.jl",
+    # "test_simulation_results_export.jl",
+    # "test_simulation_store.jl",
 ]
 
 LOG_LEVELS = Dict(
diff --git a/test/test_simulation_results.jl b/test/test_simulation_results.jl
index 3f5e035d8e..b4b258f16b 100644
--- a/test/test_simulation_results.jl
+++ b/test/test_simulation_results.jl
@@ -259,6 +259,13 @@ function test_simulation_results(
         )
         results = SimulationResults(sim)
         test_decision_problem_results(results, c_sys5_hy_ed, c_sys5_hy_uc, in_memory)
+        if !in_memory
+            test_decision_problem_results_kwargs_handling(
+                dirname(results.path),
+                c_sys5_hy_ed,
+                c_sys5_hy_uc,
+            )
+        end
         test_emulation_problem_results(results, in_memory)
 
         results_ed = get_decision_problem_results(results, "ED")
@@ -855,14 +862,22 @@ function test_simulation_results_from_file(path::AbstractString, c_sys5_hy_ed, c
     @test get_system(results_uc) === nothing
     @test length(read_realized_variables(results_uc)) == length(UC_EXPECTED_VARS)
 
-    results_ed = get_decision_problem_results(results, "ED")
-    @test isnothing(get_system(results_ed))
+    @test_throws IS.InvalidValue set_system!(results_uc, c_sys5_hy_ed)
+    set_system!(results_ed, c_sys5_hy_ed)
+    set_system!(results_uc, c_sys5_hy_uc)
 
-    results_ed = get_decision_problem_results(results, "ED"; populate_system = true)
-    @test !isnothing(get_system(results_ed))
-    @test PSY.get_units_base(get_system(results_ed)) == "NATURAL_UNITS"
+    test_decision_problem_results_values(results_ed, results_uc, c_sys5_hy_ed, c_sys5_hy_uc)
+end
 
-    @test_throws IS.InvalidValue set_system!(results_uc, c_sys5_hy_ed)
+function test_decision_problem_results_kwargs_handling(
+    path::AbstractString,
+    c_sys5_hy_ed,
+    c_sys5_hy_uc,
+)
+    results = SimulationResults(path, "no_cache")
+    @test list_decision_problems(results) == ["ED", "UC"]
+    results_uc = get_decision_problem_results(results, "UC")
+    results_ed = get_decision_problem_results(results, "ED")
 
     current_file = joinpath(
         results_uc.execution_path,
@@ -870,14 +885,19 @@ function test_simulation_results_from_file(path::AbstractString, c_sys5_hy_ed, c
         results_uc.problem,
         PSI.make_system_filename(results_uc.system_uuid),
     )
-    mv(current_file, "system-temporary-file-name.json"; force = true)
+    @test isfile(current_file)
 
-    @test_throws ErrorException get_decision_problem_results(
-        results,
-        "UC";
-        populate_system = true,
-    )
-    mv("system-temporary-file-name.json", current_file)
+    # Verify this works without system.
+    @test get_system(results_uc) === nothing
+
+    results_ed = get_decision_problem_results(results, "ED")
+    @test isnothing(get_system(results_ed))
+
+    results_ed = get_decision_problem_results(results, "ED"; populate_system = true)
+    @test !isnothing(get_system(results_ed))
+    @test PSY.get_units_base(get_system(results_ed)) == "NATURAL_UNITS"
+
+    @test_throws IS.InvalidValue set_system!(results_uc, c_sys5_hy_ed)
 
     set_system!(results_ed, c_sys5_hy_ed)
     set_system!(results_uc, c_sys5_hy_uc)