osbase: move test packages under osbase/test

The cmd, freeport and socksproxy packages are only used in tests, and
are also intended to be only used in tests. This change moves these
packages under osbase/test.

Change-Id: I8fe679945990c295bdf822abfce56c25233c4588
Reviewed-on: https://review.monogon.dev/c/monogon/+/4564
Reviewed-by: Tim Windelschmidt <tim@monogon.tech>
Tested-by: Jenkins CI
diff --git a/cloud/agent/takeover/e2e/BUILD.bazel b/cloud/agent/takeover/e2e/BUILD.bazel
index dc05d9e..1a00569 100644
--- a/cloud/agent/takeover/e2e/BUILD.bazel
+++ b/cloud/agent/takeover/e2e/BUILD.bazel
@@ -21,8 +21,8 @@
     deps = [
         "//cloud/agent/api",
         "//osbase/fat32",
-        "//osbase/freeport",
         "//osbase/structfs",
+        "//osbase/test/freeport",
         "@com_github_pkg_sftp//:sftp",
         "@io_bazel_rules_go//go/runfiles",
         "@org_golang_google_protobuf//proto",
diff --git a/cloud/agent/takeover/e2e/main_test.go b/cloud/agent/takeover/e2e/main_test.go
index 2062be7..db7278a 100644
--- a/cloud/agent/takeover/e2e/main_test.go
+++ b/cloud/agent/takeover/e2e/main_test.go
@@ -27,8 +27,8 @@
 	"source.monogon.dev/cloud/agent/api"
 
 	"source.monogon.dev/osbase/fat32"
-	"source.monogon.dev/osbase/freeport"
 	"source.monogon.dev/osbase/structfs"
+	"source.monogon.dev/osbase/test/freeport"
 )
 
 var (