[tests] fix yet more tests

dune/stuff/test/CMakeLists.txt

@@ -22,7 +22,8 @@ endforeach( source )
 include(UseLATEX)
 set(texfiles pgfoutput_stacked.tex pgfoutput_leaf.tex pgfoutput_refineseries.tex )
 SET_SOURCE_FILES_PROPERTIES(${texfiles} GENERATED)
-add_custom_command(OUTPUT ${texfiles} COMMAND "./grid_output_pgf" DEPENDS grid_output_pgf)
+add_custom_command(OUTPUT ${texfiles} COMMAND "./test_grid_output_pgf" DEPENDS test_grid_output_pgf)
+
 add_custom_target(tex_compile)
 foreach( tex ${texfiles} )
     ADD_LATEX_DOCUMENT( ${tex} DEPENDS ${tex} DEFAULT_PDF MANGLE_TARGET_NAMES )