diff --git a/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.cs b/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.cs
index 5548382..7ae0865 100644
--- a/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.cs
+++ b/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.cs
@@ -1,4 +1,5 @@
 using Godot;
+using SharpIDE.Application.Features.Build;
 using SharpIDE.Application.Features.Testing;
 
 namespace SharpIDE.Godot.Features.TestExplorer;
@@ -7,21 +8,39 @@ public partial class TestExplorerPanel : Control
 {
     [Inject] private readonly SharpIdeSolutionAccessor _solutionAccessor = null!;
     [Inject] private readonly TestRunnerService _testRunnerService = null!;
+    [Inject] private readonly BuildService _buildService = null!;
     
     private readonly PackedScene _testNodeEntryScene = ResourceLoader.Load<PackedScene>("uid://dt50f2of66dlt");
 
+    private Button _refreshButton = null!;
     private VBoxContainer _testNodesVBoxContainer = null!;
 
     public override void _Ready()
     {
+        _refreshButton = GetNode<Button>("%RefreshButton");
         _testNodesVBoxContainer = GetNode<VBoxContainer>("%TestNodesVBoxContainer");
         _ = Task.GodotRun(AsyncReady);
+        _refreshButton.Pressed += OnRefreshButtonPressed;
     }
 
     private async Task AsyncReady()
+    {
+        await DiscoverTestNodesForSolution(false);
+    }
+    
+    private void OnRefreshButtonPressed()
+    {
+        _ = Task.GodotRun(() => DiscoverTestNodesForSolution(true));
+    }
+
+    private async Task DiscoverTestNodesForSolution(bool withBuild)
     {
         await _solutionAccessor.SolutionReadyTcs.Task;
         var solution = _solutionAccessor.SolutionModel!;
+        if (withBuild)
+        {
+            await _buildService.MsBuildAsync(solution.FilePath);
+        }
         var testNodes = await _testRunnerService.DiscoverTests(solution);
         testNodes.ForEach(s => GD.Print(s.DisplayName));
         var scenes = testNodes.Select(s =>
diff --git a/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.tscn b/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.tscn
index 163b426..6242e80 100644
--- a/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.tscn
+++ b/src/SharpIDE.Godot/Features/TestExplorer/TestExplorerPanel.tscn
@@ -35,7 +35,8 @@ layout_mode = 2
 layout_mode = 2
 text = "Test Explorer"
 
-[node name="Button" type="Button" parent="VBoxContainer/MarginContainer/HBoxContainer"]
+[node name="RefreshButton" type="Button" parent="VBoxContainer/MarginContainer/HBoxContainer"]
+unique_name_in_owner = true
 layout_mode = 2
 theme_override_constants/icon_max_width = 15
 icon = ExtResource("2_4bhqg")