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

test/debugger/debug/regress/regress-prepare-break-while-recompile.js

Index: test/debugger/debug/regress/regress-prepare-break-while-recompile.js
diff --git a/test/debugger/debug/regress/regress-prepare-break-while-recompile.js b/test/debugger/debug/regress/regress-prepare-break-while-recompile.js
index b93de76a650bb0e1add15b6af3c82d6dc04c6d42..2ebbeaa0cc66a44502d32f6be693283738604858 100644
--- a/test/debugger/debug/regress/regress-prepare-break-while-recompile.js
+++ b/test/debugger/debug/regress/regress-prepare-break-while-recompile.js
@@ -26,12 +26,15 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --concurrent-recompilation --block-concurrent-recompilation
+// Flags: --no-always-opt
 
 if (!%IsConcurrentRecompilationSupported()) {
   print("Concurrent recompilation is disabled. Skipping this test.");
   quit();
 }
 
+assertFalse(isAlwaysOptimize());
+
 Debug = debug.Debug
 
 function foo() {