Run tests using debug architecture if available and specified

configure/E3/CONFIG_TEST

@@ -11,5 +11,6 @@ VARS_EXCLUDES+=RMDIR
 VARS_EXCLUDES+=TEMP_CELL_PATH
 
 ifneq (,$(findstring test,$(MAKECMDGOALS)))
+  TEST_DEBUG_ARCH:=$(if $(and $(findstring debug,$(EPICS_HOST_ARCH)),$(wildcard $(EPICS_BASE)/bin/$(EPICS_HOST_ARCH)/softIocPVA)),$(EPICS_HOST_ARCH))
   E3_MODULES_PATH=$(TEMP_CELL_PATH)/$(notdir $(EPICS_BASE))/require-$(E3_REQUIRE_VERSION)
 endif

configure/E3/RULES_TEST

@@ -5,6 +5,10 @@ test:
 ifeq ($(shell command -v run-iocsh > /dev/null 2>&1 ; echo $$?),0)
 
 test: temp_install run_test module_tests cleanup_test
+ifneq ($(strip $(TEST_DEBUG_ARCH)),)
+run_test: EPICS_HOST_ARCH = $(TEST_DEBUG_ARCH)
+module_tests: EPICS_HOST_ARCH = $(TEST_DEBUG_ARCH)
+endif
 
 .PHONY: temp_install
 temp_install: