test: Drop useless prefix for qemuagent test data

There's no reason for the files to have qemuagent- prefix
since they all live under qemuagentdata directory.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

tests/qemuagenttest.c

@@ -180,7 +180,7 @@ testQemuAgentGetFSInfo(const void *data)
     if (!test)
         return -1;
 
-    if (virAsprintf(&domain_filename, "%s/qemuagentdata/qemuagent-fsinfo.xml",
+    if (virAsprintf(&domain_filename, "%s/qemuagentdata/fsinfo.xml",
                     abs_srcdir) < 0)
         goto cleanup;