basic tests for a wider variety of files

scenes/components/knockback/CKnockback.cs

@@ -5,9 +5,9 @@ using Movementtests.interfaces;
 [GlobalClass, Icon("res://assets/ui/IconGodotNode/node_3D/icon_wind.png")]
 public partial class CKnockback : Node3D, IKnockbackable
 {
-    [Export] public RKnockback RKnockback { get; set;}
-    
-    private KnockbackRecord _knockbackRecord = null;
+    [Export] public RKnockback RKnockback { get; set;} = null!;
+
+    private KnockbackRecord _knockbackRecord = null!;
     
     public void RegisterKnockback(KnockbackRecord knockbackRecord)
     {
@@ -20,7 +20,7 @@ public partial class CKnockback : Node3D, IKnockbackable
         
         var knockbackDirection = GlobalPosition - _knockbackRecord.DamageRecord.SourceLocation;
         var finalKnockback = knockbackDirection.Normalized() * RKnockback.Modifier * _knockbackRecord.ForceMultiplier;
-        _knockbackRecord = null;
+        _knockbackRecord = null!;
         return finalKnockback;
     }
 }