Make suspend checks note have side effects.

Also adjust gtests.

Change-Id: I5e1a3e53115812b45ec7f4b6f50ba468fa7ac6b1
diff --git a/compiler/optimizing/live_ranges_test.cc b/compiler/optimizing/live_ranges_test.cc
index a81a30e..6184897 100644
--- a/compiler/optimizing/live_ranges_test.cc
+++ b/compiler/optimizing/live_ranges_test.cc
@@ -233,6 +233,7 @@
   ArenaPool pool;
   ArenaAllocator allocator(&pool);
   HGraph* graph = BuildGraph(data, &allocator);
+  RemoveSuspendChecks(graph);
   x86::CodeGeneratorX86 codegen(graph);
   SsaLivenessAnalysis liveness(*graph, &codegen);
   liveness.Analyze();