Update the tests to run with Dart 1.13.

test/certificates/server_chain.pem

Index: test/certificates/server_chain.pem
diff --git a/test/certificates/server_chain.pem b/test/certificates/server_chain.pem
new file mode 100644
index 0000000000000000000000000000000000000000..341a86f4cf1d0f7e21ce3d494ac9b8d80b786694
--- /dev/null
+++ b/test/certificates/server_chain.pem
@@ -0,0 +1,59 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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=
+-----END CERTIFICATE-----