Increase the timeout on dictionary tests to accommodate slower machines.

--- netsurf-3.6/test/hashtable.c
+++ netsurf-3.6/test/hashtable.c
@@ -286,6 +286,7 @@
 	tcase_add_checked_fixture(tc_dict_s,
 				  dicts_hashtable_create,
 				  dict_hashtable_teardown);
+	tcase_set_timeout(tc_dict_s, 30);
 
 	tcase_add_test(tc_dict_s, hashtable_dict_test);
 
@@ -297,6 +298,7 @@
 	tcase_add_checked_fixture(tc_dict_l,
 				  dictl_hashtable_create,
 				  dict_hashtable_teardown);
+	tcase_set_timeout(tc_dict_l, 30);
 
 	tcase_add_test(tc_dict_l, hashtable_dict_test);
 
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<tr><td><span title='2020-11-02 00:30:59 +0530'>2020-11-02</span></td><td><a href='/guix/commit/gnu/packages/avr.scm?id=197c1676d3733f6d8ce30bdc9977ba731b33ec71'>gnu: avr-toolchain: Replace functions with package variables.</a><span class='msg-avail'>...</span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2020-11-02 00:30:59 +0530'>2020-11-02</span></td><td><a href='/guix/commit/gnu/packages/avr.scm?id=5a3827d43310beae73bbb069f745fc38291ca621'>gnu: avr-gcc: Update to 7.5.0.</a><span class='msg-avail'>...</span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2020-07-12 23:08:15 +0200'>2020-07-12</span></td><td><a href='/guix/commit/gnu/packages/avr.scm?id=b0e7b6992f3f845e83cfbca4d700b51dba50b4d5'>gnu: Remove ".git" from "https://github/…/….git".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-13 21:07:40 +0200'>2020-05-13</span></td><td><a href='/guix/commit/gnu/packages/avr.scm?id=fd96ae4a709c5509f2d78af3968d64fe805ad1ef'>gnu: avr-gcc: Fix conflicting GCC headers.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-01 12:52:43 +0100'>2020-03-01</span></td><td><a href='/guix/commit/gnu/packages/avr.scm?id=2f3515f7369d91d8922620044f9348cc727b6c10'>gnu: avr-gcc: Fix compiler lookup paths.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>