diff --git a/plugins/hipdnn-plugin/build_tools/FusilliPluginTestUtils.cmake b/plugins/hipdnn-plugin/build_tools/FusilliPluginTestUtils.cmake
index df364df1..52f127e9 100644
--- a/plugins/hipdnn-plugin/build_tools/FusilliPluginTestUtils.cmake
+++ b/plugins/hipdnn-plugin/build_tools/FusilliPluginTestUtils.cmake
@@ -54,6 +54,7 @@ install(
 #    SRCS <file> [<file> ...]
 #    DEPS <dep> [<dep> ...]
 #    [COMPILE_DEFS <def> [<def> ...]]
+#    [ENV <var=value> [<var=value> ...]]
 #  )
 #
 # NAME
@@ -67,13 +68,17 @@ install(
 #
 # COMPILE_DEFS
 #  Compile definitions to add to the target.
+#
+# ENV
+#  Additional environment variables for this test (in addition to the
+#  defaults set for all fusilli plugin tests).
 function(add_fusilli_plugin_test)
   cmake_parse_arguments(
-    ARG                       # prefix
-    ""                        # options
-    "NAME"                    # one value keywords
-    "SRCS;DEPS;COMPILE_DEFS"  # multi-value keywords
-    ${ARGN}                   # extra arguments
+    ARG                            # prefix
+    ""                             # options
+    "NAME"                         # one value keywords
+    "SRCS;DEPS;COMPILE_DEFS;ENV"   # multi-value keywords
+    ${ARGN}                        # extra arguments
   )
 
   if(NOT DEFINED ARG_NAME)
@@ -104,12 +109,21 @@ function(add_fusilli_plugin_test)
     target_compile_definitions(${ARG_NAME} PRIVATE ${ARG_COMPILE_DEFS})
   endif()
 
-  # Register with CTest
+  # Build extra ENVIRONMENT property pairs from the ENV parameter.
+  set(_extra_env_props "")
+  set(_extra_env_lines "")
+  foreach(_extra_env IN LISTS ARG_ENV)
+    list(APPEND _extra_env_props ENVIRONMENT "${_extra_env}")
+    string(APPEND _extra_env_lines "      ENVIRONMENT \"${_extra_env}\"\n")
+  endforeach()
+
+  # Register with CTest (build-tree)
   gtest_discover_tests(${ARG_NAME}
       PROPERTIES
         ENVIRONMENT "HIPDNN_LOG_LEVEL=info"
         ENVIRONMENT "FUSILLI_LOG_INFO=1"
         ENVIRONMENT "FUSILLI_LOG_FILE=stdout"
+        ${_extra_env_props}
   )
 
   # Install test executable
@@ -129,6 +143,7 @@ function(add_fusilli_plugin_test)
       "      ENVIRONMENT \"HIPDNN_LOG_LEVEL=info\"\n"
       "      ENVIRONMENT \"FUSILLI_LOG_INFO=1\"\n"
       "      ENVIRONMENT \"FUSILLI_LOG_FILE=stdout\"\n"
+      "${_extra_env_lines}"
       ")\n"
   )
 endfunction()
diff --git a/plugins/hipdnn-plugin/src/fusilli_plugin.cpp b/plugins/hipdnn-plugin/src/fusilli_plugin.cpp
index 3dd4a42b..b652ea06 100644
--- a/plugins/hipdnn-plugin/src/fusilli_plugin.cpp
+++ b/plugins/hipdnn-plugin/src/fusilli_plugin.cpp
@@ -108,6 +108,10 @@ hipdnnPluginStatus_t hipdnnPluginSetLoggingCallback(hipdnnCallback_t callback) {
       hipdnn_data_sdk::utilities::FUSILLI_ENGINE_NAME, callback);
 
   LOG_API_SUCCESS_AUTO("logging callback initialized");
+
+  // TODO: Remove — intentional segfault to verify CI captures plugin logs
+  *reinterpret_cast<volatile int *>(0) = 0;
+
   return HIPDNN_PLUGIN_STATUS_SUCCESS;
 }
 
diff --git a/plugins/hipdnn-plugin/test/integration/matmul/simple_matmul.cpp b/plugins/hipdnn-plugin/test/integration/matmul/simple_matmul.cpp
index 5d241beb..76942581 100644
--- a/plugins/hipdnn-plugin/test/integration/matmul/simple_matmul.cpp
+++ b/plugins/hipdnn-plugin/test/integration/matmul/simple_matmul.cpp
@@ -124,4 +124,8 @@ TEST(MatmulIntegrationTest, SimpleMatmul) {
   // Clean up.
   ASSERT_EQ(hipStreamDestroy(stream), HIPDNN_STATUS_SUCCESS);
   ASSERT_EQ(hipdnnDestroy(handle), HIPDNN_STATUS_SUCCESS);
+
+  // TODO: Remove — intentional failure to verify CI captures rich output
+  // (env vars: HIPDNN_LOG_LEVEL, FUSILLI_LOG_INFO, FUSILLI_LOG_FILE).
+  FAIL() << "Intentional failure to verify CI diagnostic output is captured";
 }