diff --git a/tests/gem5/gpu/test_gpu_ruby_random_wbL2.py b/tests/gem5/gpu/test_gpu_ruby_random_wbL2.py
new file mode 100644
index 0000000000..9af4e65a11
--- /dev/null
+++ b/tests/gem5/gpu/test_gpu_ruby_random_wbL2.py
@@ -0,0 +1,84 @@
+# Copyright (c) 2023 The Board of Regents of the University of Wisconsin
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from testlib import *
+
+"""
+This file contains random tests for the Ruby GPU protocols with a WB L2 cache.
+"""
+
+# This test will first run the GPU protocol random tester -- it should take
+# about 30 seconds to run and provides good coverage for the coherence
+# protocol.
+#
+# Input choices (some are default and thus implicit):
+# - use small cache size to encourage races
+# - use small system size to encourage races since more requests per CU (and
+#   faster sim)
+# - use small address range to encourage more races
+# - use small episode length to encourage more races
+# - 50K tests runs in ~30 seconds with reasonably good coverage
+# - num-dmas = 0 because VIPER doesn't support partial cache line writes, which
+#   DMAs need
+gem5_verify_config(
+    name="ruby-gpu-random-test-wbL2-perCheckin",
+    fixtures=(),
+    verifiers=(),
+    config=joinpath(
+        config.base_dir, "configs", "example", "ruby_gpu_random_test.py"
+    ),
+    config_args=["--WB_L2", "--test-length", "50000", "--num-dmas", "0"],
+    valid_isas=(constants.vega_x86_tag,),
+    valid_hosts=constants.supported_hosts,
+    length=constants.long_tag,
+)
+
+
+# This test will run the GPU protocol random tester in nightly -- it should
+# take about 30 minutes to run and provides good coverage for the coherence
+# protocol.
+#
+# Input choices (some are default and thus implicit):
+#  - use small cache size to encourage races
+#  - use small system size to encourage races since more requests per CU (and
+#    faster sim)
+#  - use small address range to encourage more races
+#  - use small episode length to encourage more races
+#  - 5M tests runs in ~30 minutes with reasonably good coverage
+#  - num-dmas = 0 because VIPER doesn't support partial cache line writes,
+#    which DMAs need
+gem5_verify_config(
+    name="ruby-gpu-random-test-wbL2-nightly",
+    fixtures=(),
+    verifiers=(),
+    config=joinpath(
+        config.base_dir, "configs", "example", "ruby_gpu_random_test.py"
+    ),
+    config_args=["--WB_L2", "--test-length", "5000000", "--num-dmas", "0"],
+    valid_isas=(constants.vega_x86_tag,),
+    valid_hosts=constants.supported_hosts,
+    length=constants.long_tag,
+)