Update test.log to match the new output

Qinghao Shi · web-flow · commit 854660733c14 · 2020-02-19T16:24:56.000Z
diff --git a/tests/tls-socket.log b/tests/tls-socket.log
@@ -9,7 +9,7 @@ Connecting to ifconfig.io
 \[INFO\]\[TLSW\]: TLS connection to ifconfig.io established
 \[DBG \]\[TLSW\]: Server certificate:
 cert. version\s*: \d
-serial number\s*: ([0-9A-F]{2}:)+[0-9A-F]{2}
+serial number\s*:
 issuer name\s*: C=US, ST=CA, L=San Francisco,
 subject name\s*:
 issued  on\s*:
