Increase timeout for event view tests

it avoids spurious test failures on busy Gitlab-CI runners

GaudiHive/tests/qmtest/gaudihive.qms/avalanche_scheduler.qms/view_isolation_test.qmt

@@ -6,6 +6,6 @@
   <text>../../options/ViewIsolationTest.py</text>
 </set></argument>
 <argument name="use_temp_dir"><enumeral>true</enumeral></argument>
-<argument name="timeout"><integer>20</integer></argument>
+<argument name="timeout"><integer>120</integer></argument>
 <argument name="reference"><text>refs/ViewIsolationTest.ref</text></argument>
 </extension>

GaudiHive/tests/qmtest/gaudihive.qms/avalanche_scheduler.qms/view_test.qmt

@@ -6,6 +6,6 @@
   <text>../../options/BasicViewTest.py</text>
 </set></argument>
 <argument name="use_temp_dir"><enumeral>true</enumeral></argument>
-<argument name="timeout"><integer>20</integer></argument>
+<argument name="timeout"><integer>120</integer></argument>
 <argument name="reference"><text>refs/ViewTest.ref</text></argument>
 </extension>