acpi: unit-test: Ignore diff in WAET ACPI table

This is done as a preparation for the following patch to expose WAET
ACPI table to guest.

This patch performs steps 1-3 as describes in
tests/qtest/bios-tables-test.c.

Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200313145009.144820-2-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/tests/data/acpi/pc/WAET b/tests/data/acpi/pc/WAET
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/data/acpi/pc/WAET
diff --git a/tests/data/acpi/q35/WAET b/tests/data/acpi/q35/WAET
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/data/acpi/q35/WAET
diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
index dfb8523..b269a1e 100644
--- a/tests/qtest/bios-tables-test-allowed-diff.h
+++ b/tests/qtest/bios-tables-test-allowed-diff.h
@@ -1 +1,3 @@
 /* List of comma-separated changed AML files to ignore */
+"tests/data/acpi/pc/WAET",
+"tests/data/acpi/q35/WAET",