Debugger: Fix gdb auto tests

cca10304 made dumper detection lazier, the bbsetup needs now to
be trigger separately.

Change-Id: I7f78c5e4b3a6981dbd1c292654a48eac0b5b58e7
Reviewed-by: hjk <hjk@theqtcompany.com>

tests/auto/debugger/tst_dumpers.cpp

@@ -1229,6 +1229,7 @@ void tst_Dumpers::dumper()
         cmds += "python sys.path.insert(1, '" + dumperDir + "')\n"
                 "python sys.path.append('" + uninstalledData + "')\n"
                 "python from gdbbridge import *\n"
+                "bbsetup\n"
                 "run " + nograb + "\n"
                 "bb options:fancy,forcens,autoderef,dyntype,pe vars: expanded:" + expanded + " typeformats:\n";