diff --git a/test/core/ExamplesUnitTests/TribitsHelloWorld_Tests.cmake b/test/core/ExamplesUnitTests/TribitsHelloWorld_Tests.cmake
index cd8cdac82..6ab244848 100644
--- a/test/core/ExamplesUnitTests/TribitsHelloWorld_Tests.cmake
+++ b/test/core/ExamplesUnitTests/TribitsHelloWorld_Tests.cmake
@@ -40,6 +40,7 @@ tribits_add_advanced_test( TribitsHelloWorld
 tribits_add_advanced_test( TribitsHelloWorld_config_git_version
   OVERALL_WORKING_DIRECTORY TEST_NAME
   OVERALL_NUM_MPI_PROCS 1
+  XHOST Windows   # We use the 'diff' command below :-(
 
   TEST_0
     MESSAGE "Copy the project source so we can copy files into it."
@@ -72,14 +73,25 @@ tribits_add_advanced_test( TribitsHelloWorld_config_git_version
       "This is the git commit summary line"
     ALWAYS_FAIL_ON_NONZERO_RETURN
 
+  TEST_4
+    CMND diff ARGS
+      ${CMAKE_CURRENT_SOURCE_DIR}/configure_git_mockprogram_files/TribitsHelloWorldRepoVersion.single_version.txt
+      BUILD/TribitsHelloWorldRepoVersion.txt
+
   )
-# The above directory structure is:
+# NOTES:
+#
+# * The above directory structure is:
 #
 #  TribitsHelloWorld_config_git_version/
 #    TribitsHelloWorld/
 #      .git/
 #      .mockprogram_inout.txt
 #    BUILD/
+#
+# * We don't use cmake -E compare_files because it does not print the diff,
+#   just gives a non-zero error code.
+
 
 
 tribits_add_advanced_test( TribitsHelloWorld_EXE_DISABLE
diff --git a/test/core/ExamplesUnitTests/configure_git_mockprogram_files/TribitsHelloWorldRepoVersion.single_version.txt b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/TribitsHelloWorldRepoVersion.single_version.txt
new file mode 100644
index 000000000..df4d477e6
--- /dev/null
+++ b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/TribitsHelloWorldRepoVersion.single_version.txt
@@ -0,0 +1,3 @@
+*** Base Git Repo: TribitsHelloWorld
+a1234tgb [Thu Sep 21 19:19:18 2023 -0400] <someone@sandia.gov>
+This is the git commit summary line