Remove some busy-OSR loops from tests using %OptimizeOsr().

test/mjsunit/count-based-osr.js

Index: test/mjsunit/count-based-osr.js
diff --git a/test/mjsunit/count-based-osr.js b/test/mjsunit/count-based-osr.js
index f06013083f144f54e5b7ffe9412bda4225924c4f..2df0b644f64597d827d4040fcc58e020545dda70 100644
--- a/test/mjsunit/count-based-osr.js
+++ b/test/mjsunit/count-based-osr.js
@@ -31,9 +31,8 @@
 
 function osr_this() {
   var a = 1;
-  // Trigger OSR. First check if optimization is disabled.
-  if (%GetOptimizationStatus(osr_this) == 4) return 1;
-  while (%GetOptimizationCount(osr_this) == 0) {}
+  while (%GetOptimizationCount(osr_this) == 2) ;
   return a;
 }
 assertEquals(1, osr_this());
+assertEquals(1, osr_this());