Remove prints added in #67 and fix test broken in #64 (#69)

src/backend/CommandBufferStateTracker.cpp

@@ -400,14 +400,12 @@ namespace backend {
         }
         // Assumes we have a pipeline already
         if (!bindgroupsSet.all()) {
-            printf("%s:%d\n", __FUNCTION__, __LINE__);
             return false;
         }
         for (size_t i = 0; i < bindgroups.size(); ++i) {
             if (auto* bindgroup = bindgroups[i]) {
                 // TODO(kainino@chromium.org): bind group compatibility
                 if (bindgroup->GetLayout() != lastPipeline->GetLayout()->GetBindGroupLayout(i)) {
-                    printf("%s:%d: i=%zu\n", __FUNCTION__, __LINE__, i);
                     return false;
                 }
             }

src/tests/end2end/InputStateTests.cpp

@@ -186,6 +186,7 @@ class InputStateTest : public NXTTest {
             nxt::CommandBufferBuilder builder = device.CreateCommandBufferBuilder();
 
             builder.BeginRenderPass(renderpass, framebuffer)
+                .BeginRenderSubpass()
                 .SetPipeline(pipeline);
 
             uint32_t zeroOffset = 0;
@@ -195,6 +196,7 @@ class InputStateTest : public NXTTest {
 
             nxt::CommandBuffer commands = builder
                 .DrawArrays(triangles * 4, instances, 0, 0)
+                .EndRenderSubpass()
                 .EndRenderPass()
                 .GetResult();