#Obvious cases
is(C4::ClassSortRoutine::LCC::get_class_sort_key(), "", "No arguments returns an empty string");
-is(C4::ClassSortRoutine::LCC::get_class_sort_key('a','b'), "A_B", "Arguments 'a','b' return 'A_B'");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key('a','b'), "A B", "Arguments 'a','b' return 'A B'");
#spaces in arguements
-is(C4::ClassSortRoutine::LCC::get_class_sort_key(' ','b'), "B_", "Arguments ' ','b' return 'B_'");
-is(C4::ClassSortRoutine::LCC::get_class_sort_key('a',' '), "A_", "Arguments 'a',' ' return 'A_'");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key(' ','b'), "B", "Arguments ' ','b' return 'B'");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key('a',' '), "A", "Arguments 'a',' ' return 'A'");
is(C4::ClassSortRoutine::LCC::get_class_sort_key(' ',' '), "", "Arguments ' ',' ' return ''");
#'funky cases' based on regex in code
-is(C4::ClassSortRoutine::LCC::get_class_sort_key('.','b'), "_B", "Arguments '.','b' return '_B'");
-is(C4::ClassSortRoutine::LCC::get_class_sort_key('....','........'), "_______", "Arguments '....','........' return '_______'");
-is(C4::ClassSortRoutine::LCC::get_class_sort_key('.','.'), "__", "Arguments '.','.' return '__'");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key('.','b'), "", "Arguments '.','b' return ''");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key('....','........'), "", "Arguments '....','........' return ''");
+is(C4::ClassSortRoutine::LCC::get_class_sort_key('.','.'), "", "Arguments '.','.' return ''");
# list of example call numbers -- these
# are intentionally in the _reverse_ of