tests: Fix VkLayerTest.InUseDestroyedSignaled

- Peel off an easy subtest from the front into its own test
- Fix command buffer usage
- Remove suppression of log messages

There is a lot more work to do in this test to make it really sensible,
but this is enough to make it work.
diff --git a/tests/layer_validation_tests.cpp b/tests/layer_validation_tests.cpp
index 3978f82..9573e9d 100644
--- a/tests/layer_validation_tests.cpp
+++ b/tests/layer_validation_tests.cpp
@@ -12324,13 +12324,7 @@
     vkDestroyCommandPool(test_device.handle(), command_pool, NULL);
 }
 
-TEST_F(VkLayerTest, InUseDestroyedSignaled) {
-    TEST_DESCRIPTION(
-        "Use vkCmdExecuteCommands with invalid state "
-        "in primary and secondary command buffers. "
-        "Delete objects that are inuse. Call VkQueueSubmit "
-        "with an event that has been deleted.");
-
+TEST_F(VkLayerTest, EventInUseDestroyedSignaled) {
     ASSERT_NO_FATAL_FAILURE(Init());
     ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
 
@@ -12352,11 +12346,19 @@
     m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_ERROR_BIT_EXT, "that is invalid because bound");
     vkQueueSubmit(m_device->m_queue, 1, &submit_info, VK_NULL_HANDLE);
     m_errorMonitor->VerifyFound();
+}
 
-    m_errorMonitor->ExpectSuccess(0);  // disable all log message processing with flags==0
-    vkResetCommandBuffer(m_commandBuffer->handle(), 0);
+TEST_F(VkLayerTest, InUseDestroyedSignaled) {
+    TEST_DESCRIPTION(
+        "Use vkCmdExecuteCommands with invalid state "
+        "in primary and secondary command buffers. "
+        "Delete objects that are inuse. Call VkQueueSubmit "
+        "with an event that has been deleted.");
 
-    vkCreateEvent(m_device->device(), &event_create_info, nullptr, &event);
+    ASSERT_NO_FATAL_FAILURE(Init());
+    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
+
+    m_errorMonitor->ExpectSuccess();
 
     VkSemaphoreCreateInfo semaphore_create_info = {};
     semaphore_create_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
@@ -12437,7 +12439,13 @@
 
     pipe.CreateVKPipeline(pipeline_layout, m_renderPass);
 
+    VkEvent event;
+    VkEventCreateInfo event_create_info = {};
+    event_create_info.sType = VK_STRUCTURE_TYPE_EVENT_CREATE_INFO;
+    vkCreateEvent(m_device->device(), &event_create_info, nullptr, &event);
+
     m_commandBuffer->BeginCommandBuffer();
+
     vkCmdSetEvent(m_commandBuffer->handle(), event, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
 
     vkCmdBindPipeline(m_commandBuffer->GetBufferHandle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.handle());
@@ -12446,6 +12454,10 @@
 
     m_commandBuffer->EndCommandBuffer();
 
+    VkSubmitInfo submit_info = {};
+    submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+    submit_info.commandBufferCount = 1;
+    submit_info.pCommandBuffers = &m_commandBuffer->handle();
     submit_info.signalSemaphoreCount = 1;
     submit_info.pSignalSemaphores = &semaphore;
     vkQueueSubmit(m_device->m_queue, 1, &submit_info, fence);