Do not emerge chromeos-test in factory_install.

Otherwise we overflow the 180MB partition when running ./image_to_usb.sh --factory_install.

Review URL: http://codereview.chromium.org/2108010

mod_image_for_test.sh

@@ -119,6 +119,22 @@ trap cleanup EXIT
 "$SCRIPTS_DIR/mount_gpt_image.sh" -i "$IMAGE_NAME" -f "$IMAGE_DIR" \
   -r "$ROOT_FS_DIR" -s "$STATEFUL_DIR"
 
+if [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]; then
+  # We don't want to emerge test packages on factory install, otherwise we run
+  # out of space.
+
+  # Run factory setup script to modify the image.
+  sudo emerge-${FLAGS_board} --root=$ROOT_FS_DIR --usepkgonly \
+      --root-deps=rdeps chromeos-factoryinstall
+
+  # Set factory server if necessary.
+  if [ "${FACTORY_SERVER}" != "" ]; then
+    sudo sed -i \
+      "s/CHROMEOS_AUSERVER=.*$/CHROMEOS_AUSERVER=\
+http:\/\/${FACTORY_SERVER}:8080\/update/" \
+      ${ROOT_FS_DIR}/etc/lsb-release
+  fi
+else
   emerge_chromeos_test
 
   MOD_TEST_ROOT="${GCLIENT_ROOT}/src/scripts/mod_for_test_scripts"
@@ -133,19 +149,6 @@ if [ ${FLAGS_factory} -eq ${FLAGS_TRUE} ]; then
         STATEFUL_DIR="${STATEFUL_DIR}/dev_image" QUALDB="${FLAGS_qualdb}" \
         "${MOD_FACTORY_ROOT}/factory_setup.sh"
   fi
-
-if [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]; then
-  # Run factory setup script to modify the image.
-  sudo emerge-${FLAGS_board} --root=$ROOT_FS_DIR --usepkgonly \
-      --root-deps=rdeps chromeos-factoryinstall
-
-  # Set factory server if necessary.
-  if [ "${FACTORY_SERVER}" != "" ]; then
-    sudo sed -i \
-      "s/CHROMEOS_AUSERVER=.*$/CHROMEOS_AUSERVER=\
-http:\/\/${FACTORY_SERVER}:8080\/update/" \
-      ${ROOT_FS_DIR}/etc/lsb-release
-  fi
 fi
 
 cleanup