dxdiagn: Add tests for IDxDiagProvider.
diff --git a/configure b/configure
index 6484f8b..73d6b77 100755
--- a/configure
+++ b/configure
@@ -14841,6 +14841,14 @@
 ac_config_files="$ac_config_files dlls/dxdiagn/Makefile"
 
 ALL_MAKEFILES="$ALL_MAKEFILES \\
+	dlls/dxdiagn/tests/Makefile"
+test "x$enable_tests" != xno && ALL_TEST_DIRS="$ALL_TEST_DIRS \\
+	dxdiagn/tests"
+ALL_MAKEFILE_DEPENDS="$ALL_MAKEFILE_DEPENDS
+dlls/dxdiagn/tests/Makefile: dlls/dxdiagn/tests/Makefile.in dlls/Maketest.rules"
+ac_config_files="$ac_config_files dlls/dxdiagn/tests/Makefile"
+
+ALL_MAKEFILES="$ALL_MAKEFILES \\
 	dlls/dxerr8/Makefile"
 test "x$enable_dxerr8" != xno && ALL_IMPLIB_DIRS="$ALL_IMPLIB_DIRS \\
 	dxerr8"
@@ -19001,6 +19009,7 @@
     "dlls/dswave/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dswave/Makefile" ;;
     "dlls/dwmapi/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dwmapi/Makefile" ;;
     "dlls/dxdiagn/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dxdiagn/Makefile" ;;
+    "dlls/dxdiagn/tests/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dxdiagn/tests/Makefile" ;;
     "dlls/dxerr8/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dxerr8/Makefile" ;;
     "dlls/dxerr9/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dxerr9/Makefile" ;;
     "dlls/dxgi/Makefile") CONFIG_FILES="$CONFIG_FILES dlls/dxgi/Makefile" ;;