Check in codegen test expectations.

test/codegen/expect/language/null_access_error_test.js

+dart_library.library('language/null_access_error_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__null_access_error_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const null_access_error_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  null_access_error_test.NullAccessTest = class NullAccessTest extends core.Object {
+    static testNullVariable() {
+      let variable = null;
+      let exceptionCaught = false;
+      let wrongExceptionCaught = false;
+      try {
+        variable = dart.notNull(variable) + 1;
+      } catch (e) {
+        if (core.NoSuchMethodError.is(e)) {
+          let ex = e;
+          exceptionCaught = true;
+        } else {
+          let ex = e;
+          wrongExceptionCaught = true;
+        }
+      }
+
+      expect$.Expect.isTrue(exceptionCaught);
+      expect$.Expect.isFalse(wrongExceptionCaught);
+    }
+    static helperFunction(parameter) {
+      let x = parameter;
+      parameter = dart.notNull(x) + 1;
+      return x;
+    }
+    static testNullFunctionCall() {
+      let variable = null;
+      let exceptionCaught = false;
+      let wrongExceptionCaught = false;
+      try {
+        variable = null_access_error_test.NullAccessTest.helperFunction(variable);
+      } catch (e) {
+        if (core.NoSuchMethodError.is(e)) {
+          let ex = e;
+          exceptionCaught = true;
+        } else {
+          let ex = e;
+          wrongExceptionCaught = true;
+        }
+      }
+
+      expect$.Expect.isTrue(exceptionCaught);
+      expect$.Expect.isFalse(wrongExceptionCaught);
+    }
+    static testMain() {
+      null_access_error_test.NullAccessTest.testNullVariable();
+      null_access_error_test.NullAccessTest.testNullFunctionCall();
+    }
+  };
+  dart.setSignature(null_access_error_test.NullAccessTest, {
+    statics: () => ({
+      testNullVariable: dart.definiteFunctionType(dart.void, []),
+      helperFunction: dart.definiteFunctionType(core.int, [core.int]),
+      testNullFunctionCall: dart.definiteFunctionType(dart.void, []),
+      testMain: dart.definiteFunctionType(dart.void, [])
+    }),
+    names: ['testNullVariable', 'helperFunction', 'testNullFunctionCall', 'testMain']
+  });
+  null_access_error_test.main = function() {
+    null_access_error_test.NullAccessTest.testMain();
+  };
+  dart.fn(null_access_error_test.main, VoidTodynamic());
+  // Exports:
+  exports.null_access_error_test = null_access_error_test;
+});