associate a staticInvokeType with loadLibrary

pkg/analyzer/test/src/task/strong/checker_test.dart

Index: pkg/analyzer/test/src/task/strong/checker_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/checker_test.dart b/pkg/analyzer/test/src/task/strong/checker_test.dart
index 46d99db78ac57da85a0d7f6e547a964c795ca233..cce6d21b5de3b358bdcfbb7783b26eb95ccc6cf0 100644
--- a/pkg/analyzer/test/src/task/strong/checker_test.dart
+++ b/pkg/analyzer/test/src/task/strong/checker_test.dart
@@ -1625,6 +1625,15 @@ void main() {
         '''
   });
 
+  testChecker('loadLibrary', {
+    '/lib1.dart': '''library lib1;''',
+    '/main.dart': r'''
+        import 'lib1.dart' deferred as lib1;
+        main() {
+          Future f = lib1.loadLibrary();
+        }'''
+  });
+
   group('invalid overrides', () {
     testChecker('child override', {
       '/main.dart': '''