CommandAllocatorTests: Fix a couple use-after-move.

Fixed: dawn:1416
Change-Id: I489dcfaf2584968869d9ac72da3c41dd6d1e3ba3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91161
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Auto-Submit: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/src/dawn/tests/unittests/CommandAllocatorTests.cpp b/src/dawn/tests/unittests/CommandAllocatorTests.cpp
index 2c63327..443dcf6 100644
--- a/src/dawn/tests/unittests/CommandAllocatorTests.cpp
+++ b/src/dawn/tests/unittests/CommandAllocatorTests.cpp
@@ -351,7 +351,6 @@
         bool hasNext = iterator2.NextCommandId(&type);
         ASSERT_FALSE(hasNext);
 
-        iterator1.MakeEmptyAsDataWasDestroyed();
         iterator2.MakeEmptyAsDataWasDestroyed();
     }
     {
@@ -362,7 +361,6 @@
         bool hasNext = iterator2.NextCommandId(&type);
         ASSERT_FALSE(hasNext);
 
-        iterator1.MakeEmptyAsDataWasDestroyed();
         iterator2.MakeEmptyAsDataWasDestroyed();
     }
 }