test: remove known tautologies and scaffolds

tests/AcDream.Core.Tests/Conformance/PvsConformanceTests.cs

@@ -1,24 +0,0 @@
-using Xunit;
-
-namespace AcDream.Core.Tests.Conformance;
-
-/// <summary>
-/// PVS (portal-visibility) conformance — P0 scaffold. The render visible-set
-/// golden. Retail oracle: PView::ConstructView(CEnvCell*) @ 0x005a57b0
-/// (pc:433750) produces the ordered cell_draw_list for a given (viewer_cell,
-/// eye); see docs/research/2026-06-02-retail-render-pipeline-full-reference.md §3.
-///
-/// FILLED IN P4, not P0: a retail cell_draw_list trace is a P3/P4-coupled
-/// capture (a new cdb script breakpointing PView::DrawCells / cell_draw_list,
-/// sibling to find-cell-list-capture.cdb), and the PVS code itself
-/// (PortalVisibilityBuilder) is REPLACED by the ConstructView port in P4. The
-/// scaffold exists now so the structure + retail anchor are in place; P4 adds
-/// the capture + the golden assertion (PVS root id == physics CurrCell.Id;
-/// a cell seen through two portals appears once per slice; dungeon
-/// outside_view==0).
-/// </summary>
-public class PvsConformanceTests
-{
-    [Fact(Skip = "P0 scaffold — filled in P4 with a captured retail cell_draw_list trace")]
-    public void Pvs_CottageInterior_MatchesRetailCellDrawList() { }
-}

tests/AcDream.Core.Tests/Physics/Issue265SteepSlopeCaptureBisectTests.cs

@@ -917,7 +917,9 @@ public class Issue265SteepSlopeCaptureBisectTests
         // HandleAllCollisions's OWN decision (captured before the toggle can
         // touch it) must be identical regardless of the #265/#166 fix -- the
         // fix does not change the reflection math or its inputs.
-        Assert.Equal(newModelVelocityBeforeToggle.Z > 0.01f, newModelVelocityBeforeToggle.Z > 0.01f);
+        Assert.Equal(
+            oldModelVelocity.Z > 0.01f,
+            newModelVelocityBeforeToggle.Z > 0.01f);
 
         // Document (not silently assert away) whether retail's OWN ported
         // logic reflects this synthetic case. This is evidence for the

tests/AcDream.Core.Tests/Physics/MotionInterpreterTests.cs

@@ -488,16 +488,12 @@ public sealed class MotionInterpreterTests
     // links). Verified against the live retail-observer trace
     // (RetailObserverTraceConformanceTests, 183/183 dispatch conformant).
 
-    // R3 owns removal of the known redundant row. Keep this one historical
-    // input unchanged during R2 while ensuring any new duplicate still fails.
-#pragma warning disable xUnit1025
     [Theory]
     [InlineData(MotionCommand.Fallen)]
     [InlineData(MotionCommand.Dead)]
     [InlineData(MotionCommand.Crouch)]
     [InlineData(MotionCommand.Sitting)]
     [InlineData(MotionCommand.Sleeping)]
-    [InlineData(0x41000012u)] // inside the crouch range (0x41000011, 0x41000015)
     public void ContactAllowsMove_GroundedPosture_StillAllowsMove(uint postureCommand)
     {
         var body   = MakeGrounded();
@@ -508,7 +504,6 @@ public sealed class MotionInterpreterTests
 
         Assert.True(allowed);
     }
-#pragma warning restore xUnit1025
 
     [Fact]
     public void ContactAllowsMove_AirborneCreature_AcceptsFallingAndTurns_BlocksWalk()

tests/AcDream.Core.Tests/Rendering/ChaseCameraTests.cs

@@ -54,11 +54,4 @@ public class ChaseCameraTests
 
         Assert.True(z2 > z1, "Increasing pitch should raise the camera");
     }
-
-    [Fact]
-    public void ImplementsICamera()
-    {
-        ICamera camera = new ChaseCamera { Aspect = 16f / 9f };
-        camera.ToString();  // just proves interface is implemented
-    }
 }

tests/AcDream.Core.Tests/SmokeTest.cs

@@ -1,11 +0,0 @@
-// tests/AcDream.Core.Tests/SmokeTest.cs
-namespace AcDream.Core.Tests;
-
-public class SmokeTest
-{
-    [Fact]
-    public void TestProject_IsWired()
-    {
-        Assert.True(true);
-    }
-}