test/install: avoid double free
test/install: avoid double free

A string managed by g_autofree can't be set directly into the context. Use
g_steal_pointer or g_strdup instead, depending on usage of the local variable.

Fix the same issue for the RaucInstallArgs name as well.

Signed-off-by: Jan Luebbe <3a82f1ac4ad59607a20f180f1c67ac8ba31ad0d5@pengutronix.de>

rauc/rauc,ejoerns/rauc,rauc/rauc,jluebbe/rauc,jluebbe/rauc,ejoerns/rauc,jluebbe/rauc,ejoerns/rauc,rauc/rauc