Fix depth_clamp_and_clip test

Broken in gpuweb#3412. Prior to this, some checks were being skipped (that
we didn't want to skip, but were skipped because of the limitations of
the format info table).

src/webgpu/api/operation/rendering/depth_clip_clamp.spec.ts

@@ -272,7 +272,9 @@ have unexpected values then get drawn to the color buffer, which is later checke
       pass.end();
     }
     if (dsActual) {
-      enc.copyTextureToBuffer({ texture: dsTexture }, { buffer: dsActual }, [kNumTestPoints]);
+      enc.copyTextureToBuffer({ texture: dsTexture, aspect: 'depth-only' }, { buffer: dsActual }, [
+        kNumTestPoints,
+      ]);
     }
     {
       const clearValue = [0, 0, 0, 0]; // Will see this color if the check passed.
@@ -304,7 +306,11 @@ have unexpected values then get drawn to the color buffer, which is later checke
     }
     enc.copyTextureToBuffer({ texture: checkTexture }, { buffer: checkBuffer }, [kNumTestPoints]);
     if (dsExpected) {
-      enc.copyTextureToBuffer({ texture: dsTexture }, { buffer: dsExpected }, [kNumTestPoints]);
+      enc.copyTextureToBuffer(
+        { texture: dsTexture, aspect: 'depth-only' },
+        { buffer: dsExpected },
+        [kNumTestPoints]
+      );
     }
     t.device.queue.submit([enc.finish()]);