d3d11: enable MemoryAllocationStressTests end2end test

Change-Id: I295ee3aa32e7b7edd4f7edbf64fd1da5fdf33977
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/128861
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Peng Huang <penghuang@chromium.org>
diff --git a/src/dawn/tests/end2end/MemoryAllocationStressTests.cpp b/src/dawn/tests/end2end/MemoryAllocationStressTests.cpp
index 59fe068..ceaec63 100644
--- a/src/dawn/tests/end2end/MemoryAllocationStressTests.cpp
+++ b/src/dawn/tests/end2end/MemoryAllocationStressTests.cpp
@@ -25,7 +25,7 @@
     DAWN_TEST_UNSUPPORTED_IF(IsD3D12());
 
     // TODO(crbug.com/dawn/957): Check whether it can be reproduced on each backend.
-    DAWN_TEST_UNSUPPORTED_IF(IsMetal() || IsOpenGL() || IsOpenGLES() || IsVulkan());
+    DAWN_TEST_UNSUPPORTED_IF(IsD3D11() || IsMetal() || IsOpenGL() || IsOpenGLES() || IsVulkan());
 
     uint32_t count = 100;
     for (uint32_t i = 0; i < count; i++) {
@@ -38,6 +38,7 @@
 }
 
 DAWN_INSTANTIATE_TEST(MemoryAllocationStressTests,
+                      D3D11Backend(),
                       D3D12Backend(),
                       MetalBackend(),
                       OpenGLBackend(),