Correct net::EmbeddedTestServer usage in google_apis_unittests.

google_apis/drive/drive_api_requests_unittest.cc

Index: google_apis/drive/drive_api_requests_unittest.cc
diff --git a/google_apis/drive/drive_api_requests_unittest.cc b/google_apis/drive/drive_api_requests_unittest.cc
index f249a6eb994b7399ccaba527b32bfebc7bf0225c..ace07f3bfeb5708579661ca4e4fdc56025cabdfb 100644
--- a/google_apis/drive/drive_api_requests_unittest.cc
+++ b/google_apis/drive/drive_api_requests_unittest.cc
@@ -139,7 +139,6 @@ class DriveApiRequestsTest : public testing::Test {
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
-    ASSERT_TRUE(test_server_.Start());
     test_server_.RegisterRequestHandler(
         base::Bind(&DriveApiRequestsTest::HandleChildrenDeleteRequest,
                    base::Unretained(this)));
@@ -167,6 +166,7 @@ class DriveApiRequestsTest : public testing::Test {
     test_server_.RegisterRequestHandler(
         base::Bind(&DriveApiRequestsTest::HandleBatchUploadRequest,
                    base::Unretained(this)));
+    ASSERT_TRUE(test_server_.Start());
 
     GURL test_base_url = test_util::GetBaseUrlForTesting(test_server_.port());
     url_generator_.reset(