diff --git a/src/webgpu/shader/validation/expression/call/builtin/smoothstep.spec.ts b/src/webgpu/shader/validation/expression/call/builtin/smoothstep.spec.ts
index 5a5a28fc7362..d9dd63b85bf3 100644
--- a/src/webgpu/shader/validation/expression/call/builtin/smoothstep.spec.ts
+++ b/src/webgpu/shader/validation/expression/call/builtin/smoothstep.spec.ts
@@ -51,16 +51,15 @@ Validates that constant evaluation and override evaluation of ${builtin}() rejec
   .fn(t => {
     const type = kValuesTypes[t.params.type];
 
-    // We expect to fail if low >= high as it results in a DBZ
-    const expectedResult = t.params.value1 >= t.params.value2;
+    // We expect to fail if low >= high.
+    const expectedResult = t.params.value1 < t.params.value2;
 
     validateConstOrOverrideBuiltinEval(
       t,
       builtin,
       expectedResult,
       [type.create(t.params.value1), type.create(t.params.value2), type.create(0)],
-      t.params.stage,
-      /* returnType */ concreteTypeOf(type, [Type.f32])
+      t.params.stage
     );
   });
 
@@ -141,6 +140,7 @@ fn foo() {
         code: wgsl,
         constants,
         reference: ['o_low', 'o_high'],
+        statements: ['foo();'],
       });
     }
   });
@@ -159,10 +159,11 @@ Validates that scalar and vector arguments are rejected by ${builtin}() if not f
   })
   .fn(t => {
     const type = kArgumentTypes[t.params.type];
+    const expectedResult = isConvertibleToFloatType(elementTypeOf(type));
     validateConstOrOverrideBuiltinEval(
       t,
       builtin,
-      /* expectedResult */ isConvertibleToFloatType(elementTypeOf(type)),
+      expectedResult,
       [type.create(0), type.create(1), type.create(2)],
       'constant',
       /* returnType */ concreteTypeOf(type, [Type.f32])
@@ -344,7 +345,7 @@ g.test('early_eval_errors')
       t,
       builtin,
       /* expectedResult */ t.params.low < t.params.high,
-      [f32(0), f32(t.params.low), f32(t.params.high)],
+      [f32(t.params.low), f32(t.params.high), f32(0)],
       t.params.stage
     );
   });