Debugger: Adjust dumper test to changed dumper output

Change-Id: Ib183c960ff7e737636860e007a16972d5f1f232f
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

tests/auto/debugger/tst_dumpers.cpp

@@ -3860,7 +3860,7 @@ void tst_Dumpers::dumper_data()
 
                + Check("l0", "<0 items>", "std::list<int>")
 
-               + Check("l1", "<>1000 items>", "std::list<int>")
+               + Check("l1", "<at least 1000 items>", "std::list<int>")
                + Check("l1.0", "[0]", "0", "int")
                + Check("l1.1", "[1]", "1", "int")
                + Check("l1.999", "[999]", "999", "int")