perf test pmu-events: Make it clearer that pmu-events tests JSON events

Add JSON to the test name.

Reviewed-by: Kan Liang <[e-mail]>
Signed-off-by: Ian Rogers <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Bjorn Helgaas <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: James Clark <[e-mail]>
Cc: Jing Zhang <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Jonathan Corbet <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Randy Dunlap <[e-mail]>
Cc: Ravi Bangoria <[e-mail]>
Cc: Thomas Richter <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/pmu-events.c

···
 };
 
 struct test_suite suite__pmu_events = {
-	.desc = "PMU events",
+	.desc = "PMU JSON event tests",
 	.test_cases = pmu_events_tests,
 };