show correct command to execute the test

Change-Id: Ic7515c1d43737fb6864228d37be1b356acecfdc3
Reviewed-on: https://gerrit.libreoffice.org/29253Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

solenv/gbuild/UITest.mk

@@ -65,7 +65,7 @@ $(call gb_UITest_get_target,%) :| $(gb_UITest_DEPS)
 		    || ($(if $(value gb_CppunitTest_postprocess), \
 				    RET=$$?; \
 				    $(call gb_CppunitTest_postprocess,$(gb_UITest_EXECUTABLE_GDB),$@.core,$$RET) >> $@.log 2>&1;) \
-			    cat $@.log; $(gb_UITest_UNITTESTFAILED) Python $*))))
+			    cat $@.log; $(gb_UITest_UNITTESTFAILED) UI $*))))
 
 # always use udkapi and URE services
 define gb_UITest_UITest