diff --git a/tests/common_tests/chowdsp_data_structures_test/AbstractTreeTest.cpp b/tests/common_tests/chowdsp_data_structures_test/AbstractTreeTest.cpp
index 8bbca532..9ffc1dc3 100644
--- a/tests/common_tests/chowdsp_data_structures_test/AbstractTreeTest.cpp
+++ b/tests/common_tests/chowdsp_data_structures_test/AbstractTreeTest.cpp
@@ -43,31 +43,31 @@ TEST_CASE ("Abstract Tree Test", "[common][data-structures]")
         REQUIRE (tree.size() == 0);
     }
 
-    // SECTION ("Insertion")
-    // {
-    //     tree.insertElement ("almonds");
-    //     REQUIRE (tree.size() == 5);
-    //
-    //     {
-    //         const auto* a_node = tree.getRootNode().first_child;
-    //         REQUIRE (a_node->tag == "a");
-    //         REQUIRE (a_node->first_child->leaf == "alfalfa");
-    //         REQUIRE (a_node->first_child->next_sibling->leaf == "almonds");
-    //         REQUIRE (a_node->first_child->next_sibling->next_sibling->leaf == "apples");
-    //     }
-    //
-    //     tree.insertElement ("acai");
-    //     REQUIRE (tree.size() == 6);
-    //
-    //     {
-    //         const auto* a_node = tree.getRootNode().first_child;
-    //         REQUIRE (a_node->tag == "a");
-    //         REQUIRE (a_node->first_child->leaf == "acai");
-    //         REQUIRE (a_node->first_child->next_sibling->leaf == "alfalfa");
-    //         REQUIRE (a_node->first_child->next_sibling->next_sibling->leaf == "almonds");
-    //         REQUIRE (a_node->first_child->next_sibling->next_sibling->next_sibling->leaf == "apples");
-    //     }
-    // }
+    SECTION ("Insertion")
+    {
+        tree.insertElement ("almonds");
+        REQUIRE (tree.size() == 5);
+
+        // {
+        //     const auto* a_node = tree.getRootNode().first_child;
+        //     REQUIRE (a_node->tag == "a");
+        //     REQUIRE (a_node->first_child->leaf == "alfalfa");
+        //     REQUIRE (a_node->first_child->next_sibling->leaf == "almonds");
+        //     REQUIRE (a_node->first_child->next_sibling->next_sibling->leaf == "apples");
+        // }
+        //
+        // tree.insertElement ("acai");
+        // REQUIRE (tree.size() == 6);
+        //
+        // {
+        //     const auto* a_node = tree.getRootNode().first_child;
+        //     REQUIRE (a_node->tag == "a");
+        //     REQUIRE (a_node->first_child->leaf == "acai");
+        //     REQUIRE (a_node->first_child->next_sibling->leaf == "alfalfa");
+        //     REQUIRE (a_node->first_child->next_sibling->next_sibling->leaf == "almonds");
+        //     REQUIRE (a_node->first_child->next_sibling->next_sibling->next_sibling->leaf == "apples");
+        // }
+    }
 
     // SECTION ("Remove One")
     // {
diff --git a/tests/common_tests/chowdsp_data_structures_test/EnumMapTest.cpp b/tests/common_tests/chowdsp_data_structures_test/EnumMapTest.cpp
index 04f72bdc..3673e1f1 100644
--- a/tests/common_tests/chowdsp_data_structures_test/EnumMapTest.cpp
+++ b/tests/common_tests/chowdsp_data_structures_test/EnumMapTest.cpp
@@ -90,9 +90,9 @@ TEST_CASE ("Enum Map Test", "[common][data-structures]")
             ++iter;
         }
 
-        // iter = 0;
-        // for (auto [key, val] : map)
-        //     val = (int) iter++;
+        iter = 0;
+        for (auto [key, val] : map)
+            val = static_cast<int> (iter++);
         // REQUIRE (map[Food::Apple] == 0);
         // REQUIRE (map[Food::Green_Beans] == 1);
     }
diff --git a/tests/common_tests/chowdsp_data_structures_test/STLArenaAllocatorTest.cpp b/tests/common_tests/chowdsp_data_structures_test/STLArenaAllocatorTest.cpp
index a3163679..bda81e56 100644
--- a/tests/common_tests/chowdsp_data_structures_test/STLArenaAllocatorTest.cpp
+++ b/tests/common_tests/chowdsp_data_structures_test/STLArenaAllocatorTest.cpp
@@ -11,9 +11,9 @@ TEST_CASE ("STL Arena Allocator Test", "[common][data-structures]")
 
     using custom_vector = std::vector<int, Alloc>;
     custom_vector vec { { 1, 2, 3, 4 }, alloc };
-    // REQUIRE (vec.size() == 4);
-    // REQUIRE (vec.front() == 1);
-    // REQUIRE (vec.back() == 4);
+    REQUIRE (vec.size() == 4);
+    REQUIRE (vec.front() == 1);
+    REQUIRE (vec.back() == 4);
 
     // vec.push_back (5);
     // REQUIRE (vec.size() == 5);