[tests] Make assertOptimized()/assertUnoptimized() great again.

test/mjsunit/compiler/manual-concurrent-recompile.js

Index: test/mjsunit/compiler/manual-concurrent-recompile.js
diff --git a/test/mjsunit/compiler/manual-concurrent-recompile.js b/test/mjsunit/compiler/manual-concurrent-recompile.js
index 66245ef073f6456043a9a9042d79ee24d247d728..e8cd5e3d6533cc89183c19a581f564db1eb32f9d 100644
--- a/test/mjsunit/compiler/manual-concurrent-recompile.js
+++ b/test/mjsunit/compiler/manual-concurrent-recompile.js
@@ -27,12 +27,15 @@
 
 // Flags: --allow-natives-syntax --expose-gc
 // Flags: --concurrent-recompilation --block-concurrent-recompilation
+// Flags: --no-always-opt
 
 if (!%IsConcurrentRecompilationSupported()) {
   print("Concurrent recompilation is disabled. Skipping this test.");
   quit();
 }
 
+assertFalse(isAlwaysOptimize());
+
 function f(x) {
   var xx = x * x;
   var xxstr = xx.toString();