Remove lines which add some paths to $LOAD_PATH, because they already exist in $LOAD_PATH

spec/spec_helper.rb

@@ -19,10 +19,6 @@ GENERATED_DIR = File.expand_path(File.join(ROOT_DIR, 'generated'))
 THIRD_PARTY_DIR = File.expand_path(File.join(ROOT_DIR, 'third_party'))
 FIXTURES_DIR = File.expand_path(File.join(SPEC_DIR, 'fixtures'))
 
-$LOAD_PATH.unshift(SPEC_DIR)
-$LOAD_PATH.unshift(LIB_DIR)
-$LOAD_PATH.unshift(GENERATED_DIR)
-$LOAD_PATH.unshift(THIRD_PARTY_DIR)
 $LOAD_PATH.uniq!
 
 

spec/spec_helper/load_path_spec.rb

@@ -0,0 +1,30 @@
+# Copyright 2015 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'spec_helper'
+
+RSpec.describe $LOAD_PATH do
+  it('should contain SPEC_DIR') do
+    expect($LOAD_PATH).to include(SPEC_DIR)
+  end
+  it('should contain LIB_DIR') do
+    expect($LOAD_PATH).to include(LIB_DIR)
+  end
+  it('should contain GENERATED_DIR') do
+    expect($LOAD_PATH).to include(GENERATED_DIR)
+  end
+  it('should contain THIRD_PARTY_DIR') do
+    expect($LOAD_PATH).to include(THIRD_PARTY_DIR)
+  end
+end