Two of these test cases fail

runtime/vm/debugger_api_impl_test.cc

Index: runtime/vm/debugger_api_impl_test.cc
diff --git a/runtime/vm/debugger_api_impl_test.cc b/runtime/vm/debugger_api_impl_test.cc
index 5bd208444a51611dd1a948f45f72664ff547877a..b2891e650b777365d59a5ac13d5e2c057ed192f7 100644
--- a/runtime/vm/debugger_api_impl_test.cc
+++ b/runtime/vm/debugger_api_impl_test.cc
@@ -1522,6 +1522,11 @@ void TestEvaluateHandler(Dart_IsolateId isolate_id,
   EXPECT(Dart_IsInteger(h));
   EXPECT_EQ(10, ToInt64(h));
 
+  // Check that we return an error on invalid expressions.
+  EXPECT(Dart_IsError(Dart_EvaluateExpr(p, NewString("1; 2"))));
+  EXPECT(Dart_IsError(Dart_EvaluateExpr(p, NewString("int x"))));
+  EXPECT(Dart_IsError(Dart_EvaluateExpr(p, NewString("var x"))));
+
   breakpoint_hit = true;
   breakpoint_hit_counter++;
 }