Test all supported curves (including those off by default).

Change-Id: I54b2b354ab3d227305f829839e82e7ae7292fd7d
Reviewed-on: https://boringssl-review.googlesource.com/6774
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/test_config.cc b/ssl/test/test_config.cc
index d2c66f2..46991fa 100644
--- a/ssl/test/test_config.cc
+++ b/ssl/test/test_config.cc
@@ -96,6 +96,7 @@
   { "-renegotiate-ignore", &TestConfig::renegotiate_ignore },
   { "-disable-npn", &TestConfig::disable_npn },
   { "-p384-only", &TestConfig::p384_only },
+  { "-enable-all-curves", &TestConfig::enable_all_curves },
   { "-use-sparse-dh-prime", &TestConfig::use_sparse_dh_prime },
 };