fix: Generalise platform test check in lava

Change-Id: I329e067c50b11dd6e73eef125248d3c50da065a8
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
diff --git a/expect-lava/crash_passed_test.exp b/expect-lava/crash_passed_test.exp
index fd7f0dc..1668c31 100644
--- a/expect-lava/crash_passed_test.exp
+++ b/expect-lava/crash_passed_test.exp
@@ -6,4 +6,4 @@
 # Expect script for AP/RSS non-volatile counter platform test
 #
 
-expect_string+=('i;Passed nv_counter_test')
+expect_string+=('i;Platform tests succeeded.;;Platform tests failed.')