correctly set the team number for tests

Without this, it's going to pick some random team number on some
computers and fail on others (depending on the network configuration).

Change-Id: I182ed50299170de737812eadee68ff418e6518e6
diff --git a/frc971/control_loops/control_loops.gyp b/frc971/control_loops/control_loops.gyp
index 6e882e1..2c0b4d5 100644
--- a/frc971/control_loops/control_loops.gyp
+++ b/frc971/control_loops/control_loops.gyp
@@ -1,6 +1,20 @@
 {
   'targets': [
     {
+      'target_name': 'team_number_test_environment',
+      'type': 'static_library',
+      'sources': [
+        'team_number_test_environment.cc'
+      ],
+      'dependencies': [
+        '<(AOS)/common/network/network.gyp:team_number',
+        '<(EXTERNALS):gtest',
+      ],
+      'export_dependent_settings': [
+        '<(EXTERNALS):gtest',
+      ],
+    },
+    {
       'target_name': 'state_feedback_loop_test',
       'type': 'executable',
       'sources': [