tests: Use defined but still incompatible format in RenderPassIncompatible
Some implementation don't like undefined.
diff --git a/tests/layer_validation_tests.cpp b/tests/layer_validation_tests.cpp
index 231b783..ade634f 100644
--- a/tests/layer_validation_tests.cpp
+++ b/tests/layer_validation_tests.cpp
@@ -8988,8 +8988,8 @@
rpci.attachmentCount = 1;
VkAttachmentDescription attach_desc = {};
attach_desc.samples = VK_SAMPLE_COUNT_1_BIT;
- // Format incompatible with PSO RP color attach format RGBA8_UNORM
- attach_desc.format = VK_FORMAT_UNDEFINED;
+ // Format incompatible with PSO RP color attach format B8G8R8A8_UNORM
+ attach_desc.format = VK_FORMAT_R8G8B8A8_UNORM;
rpci.pAttachments = &attach_desc;
rpci.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
VkRenderPass rp;