Fix UITest_solver for --enable-ext-nlpsolver

...after <https://gerrit.libreoffice.org/#/c/56121/> "uitest Calc/Solver" was
merged (see comments there for details)

Change-Id: I6cc0833b353d79a3be3be85078776c44588b5182
Reviewed-on: https://gerrit.libreoffice.org/56163
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

sc/UITest_solver.mk

@@ -13,8 +13,11 @@ $(eval $(call gb_UITest_add_modules,solver,$(SRCDIR)/sc/qa/uitest,\
 	solver/ \
 ))
 
+# Disable bundled extensions with a hack, so that the alternative solver from --enable-ext-nlpsolver
+# does not kick in and cause the test's expectations to not be met:
 $(eval $(call gb_UITest_set_defs,solver, \
     TDOC="$(SRCDIR)/sc/qa/uitest/calc_tests/data" \
+    BUNDLED_EXTENSIONS='$$$$BRAND_BASE_DIR/NONE' \
 ))
 
 # vim: set noet sw=4 ts=4: