perception: fix lib/config_manager test failures

modules/perception/lib/config_manager/BUILD

@@ -20,15 +20,16 @@ cc_library(
     ],
 )
 
-# cc_test(
-#     name = "config_manager_test",
-#     size = "small",
-#     srcs = [
-#         "config_manager_test.cc",
-#     ],
-#     deps = [
-#         ":config_manager",
-#         "@gtest//:main",
-#     ],
-# )
+cc_test(
+     name = "config_manager_test",
+     size = "small",
+     srcs = [
+         "config_manager_test.cc",
+     ],
+     deps = [
+         ":config_manager",
+         "@gtest//:main",
+     ],
+)
+
 cpplint()

modules/perception/lib/config_manager/config_manager_test.cc

@@ -34,7 +34,7 @@ class ConfigManagerTest : public testing::Test {
     putenv(cybertron_path);
     char* module_path = "MODULE_PATH=";
     putenv(module_path);
-    FLAGS_config_manager_path = "./lib_test_data/conf";
+    FLAGS_config_manager_path = "/apollo/modules/perception/lib/testdata/conf";
     config_manager_ = lib::Singleton<ConfigManager>::get_instance();
     ASSERT_TRUE(config_manager_ != NULL);
   }

modules/perception/lib/testdata/conf/conf1/config_manager.config

-model_config_path: "./lib_test_data/conf/conf1/track_classifier.config"
+model_config_path: "/apollo/modules/perception/lib/testdata/conf/conf1/track_classifier.config"

modules/perception/lib/testdata/conf/conf2/config_manager.config

-model_config_path: "./lib_test_data/conf/conf2/frame_classifier.config"
+model_config_path: "/apollo/modules/perception/lib/testdata/conf/conf2/frame_classifier.config"

modules/perception/lib/testdata/conf/conf3/config_manager.config

-model_config_path: "./lib_test_data/conf/conf3/segmentation.config"
+model_config_path: "/apollo/modules/perception/lib/testdata/conf/conf3/segmentation.config"