diff --git a/test/atomvm_spectrometer_tests.erl b/test/atomvm_spectrometer_tests.erl
index a96dc7e..e46cf35 100644
--- a/test/atomvm_spectrometer_tests.erl
+++ b/test/atomvm_spectrometer_tests.erl
@@ -520,7 +520,9 @@ parse_filter_args_multiple_csv_test_() ->
 parse_filter_args_invalid_min_repos_test_() ->
     {"returns error for invalid --min-repos", fun() ->
         {error, Msg} = atomvm_spectrometer:parse_args([
-        )
+            "filter", "results.csv", "--min-repos", "abc"
+        ]),
+        ?assert(string:str(Msg, "Invalid") > 0)
     end}.
 
 parse_supported_args_capitalized_module_no_prefix_test_() ->
@@ -549,8 +551,10 @@ parse_supported_args_unknown_flag_test_() ->
     end}.
 
 %% =============================================================================
-%% parse_filter_args/2 tests
+%% parse_filter_args/2 additional tests
 %% =============================================================================
+
+parse_filter_args_unknown_option_test_() ->
     {"returns error for flag-shaped option where csv_file expected", fun() ->
         {error, Msg} = atomvm_spectrometer:parse_args([
             "filter", "--unknown-flag"
diff --git a/test/spectrometer_elixir_tests.erl b/test/spectrometer_elixir_tests.erl
index 71d7ebd..92d6db4 100644
--- a/test/spectrometer_elixir_tests.erl
+++ b/test/spectrometer_elixir_tests.erl
@@ -85,6 +85,11 @@ is_elixir_module_name_lowercase_test() ->
     ?assertEqual(false, spectrometer_utils:is_elixir_module_name("GPIO")),
     ?assertEqual(false, spectrometer_utils:is_elixir_module_name("MyModule")).
 
+parse_query_string_mapset_test() ->
+    ?assertEqual(
+        {ok, 'Elixir.MapSet', new, 0},
+        spectrometer_atomvm:parse_query_string("Elixir.MapSet:new/0")
+    ).
 
 
 
@@ -157,9 +162,6 @@ is_elixir_module_name_lowercase_test() ->
 
 
 
-        {ok, 'Elixir.MapSet', new, 0},
-        spectrometer_atomvm:parse_query_string("Elixir.MapSet:new/0")
-    ).
 
 %% =============================================================================
 %% filter_modules_by_type/2 tests (new function in this PR)
diff --git a/test/spectrometer_updater_tests.erl b/test/spectrometer_updater_tests.erl
index e122c3e..e85c68b 100644
--- a/test/spectrometer_updater_tests.erl
+++ b/test/spectrometer_updater_tests.erl
@@ -1499,14 +1499,10 @@ scan_exavmlib_dir_test_() ->
 
 
 
-
-        ),
-        ?assertEqual(Acc, Result)
-    end}.
 
 %% =============================================================================
 %% parse_release_branch_version/1 direct tests (renamed from parse_release_version in this PR)
-%% =============================================================================
+
 
 parse_release_branch_version_basic_test_() ->
     {"parses major.minor version string into tuple", fun() ->