tests: add configuration to run scanner

tests/integration/sbws_testnet.ini

+[general]
+# Days into the past that measurements are considered valid
+data_period = 1
+
+[paths]
+sbws_home = /tmp/.sbws
+
+[destinations]
+local = on
+
+[destinations.local]
+; url = https://localhost:28888/sbws.bin
+url = http://127.0.0.1:28888/sbws.bin
+verify = False
+
+[tor]
+extra_lines =
+    DirAuthority auth1 orport=2002 no-v2 v3ident=D7DBC517EFD2BA1A5012CF1BD0BB38F17C8160BD 127.10.0.1:2003 AA45C13025C037F056E734169891878ED0880231
+    DirAuthority auth2 orport=2002 no-v2 v3ident=4EE103A081F400E6622F5461D51782B876BB5C24 127.10.0.2:2003 E7B3C9A0040D628DAC88B0251AE6334D28E8F531
+    DirAuthority auth3 orport=2002 no-v2 v3ident=8B85069C7FC0593801E6491A34100264FCE28980 127.10.0.3:2003 35E3B8BB71C81355649AEC5862ECB7ED7EFDBC5C
+    TestingTorNetwork 1
+    NumCPUs 1
+
+[logging]
+level = debug
+to_stdout_level = ${level}
\ No newline at end of file