test: log: log_process: Increase process exit timeout

When running tests on slower devices, 200ms is too low to wait for the
process to exit. Increase the timeout to 2s.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

test/log/log_process.cpp

@@ -81,7 +81,7 @@ protected:
 			return TestFail;
 		}
 
-		timeout.start(200ms);
+		timeout.start(2s);
 		while (timeout.isRunning())
 			dispatcher->processEvents();