We've seen some tests take up to 60s to complete on a busy armhf
machine. Even a busy x86_64 machine can use more than 5s on some tests.

Increase timeouts to increase chances of a successful build.

--- a/nss/gtests/ssl_gtest/tls_connect.cc	2017-03-14 22:47:30.855813629 +0100
+++ b/nss/gtests/ssl_gtest/tls_connect.cc	2017-03-14 22:48:49.042335273 +0100
@@ -245,7 +245,7 @@
 
   ASSERT_TRUE_WAIT((client_->state() != TlsAgent::STATE_CONNECTING) &&
                        (server_->state() != TlsAgent::STATE_CONNECTING),
-                   5000);
+                   300000);
 }
 
 void TlsConnectTestBase::EnableExtendedMasterSecret() {
@@ -385,7 +385,7 @@
   if (failing_side == TlsAgent::CLIENT) {
     failing_agent = client_;
   }
-  ASSERT_TRUE_WAIT(failing_agent->state() == TlsAgent::STATE_ERROR, 5000);
+  ASSERT_TRUE_WAIT(failing_agent->state() == TlsAgent::STATE_ERROR, 300000);
 }
 
 void TlsConnectTestBase::ConfigureVersion(uint16_t version) {
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<tr><td><span title='2022-06-24 10:24:54 +0200'>2022-06-24</span></td><td><a href='/guix/commit/gnu/tests/ldap.scm?id=ed2d2a2d579456c356288232128bf32322c5edfa'>tests: ldap: Increase VM memory size.</a><span class='msg-avail'>...</span></td><td>Timotej Lazar</td></tr>
<tr><td><span title='2021-09-26 23:20:56 +0200'>2021-09-26</span></td><td><a href='/guix/commit/gnu/tests/ldap.scm?id=89b05442933d92f4b21c3294455a498e8333727d'>tests: Reduce boilerplate for users of 'system-test-runner'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-25 18:52:05 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/tests/ldap.scm?id=1fb75128a5202b406622da6272bc809c46d1f439'>tests: Adjust to SRFI-64 as found in Guile 3.0.7.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-04-18 10:31:59 +0200'>2021-04-18</span></td><td><a href='/guix/commit/gnu/tests/ldap.scm?id=868d8068a0b0ea985c6f8d28cb7a436c96bd4de5'>tests: ldap: Fix it.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>