[test] Test expectations in cctest should use CHECK and not DCHECK.

test/cctest/compiler/c-signature.h

Index: test/cctest/compiler/c-signature.h
diff --git a/test/cctest/compiler/c-signature.h b/test/cctest/compiler/c-signature.h
index d0ce4cc155ff73c83beb7300922fcb4e54af8345..7c537c04ea1e44bed8a53bbf0c54c3f537c81f34 100644
--- a/test/cctest/compiler/c-signature.h
+++ b/test/cctest/compiler/c-signature.h
@@ -115,7 +115,8 @@ class CSignatureOf : public CSignature {
     if (return_count_ == 1) storage_[0] = MachineTypeForC<Ret>();
   }
   void Set(int index, MachineType type) {
-    DCHECK(index >= 0 && index < kParamCount);
+    CHECK_LE(0, index);
+    CHECK_LT(index, kParamCount);
     reps_[return_count_ + index] = type;
   }
 };