Add missing test from previous CL.

pkg/front_end/test/fasta/type_variable_as_super.dart.outline.expect

Index: pkg/front_end/test/fasta/type_variable_as_super.dart.outline.expect
diff --git a/pkg/front_end/test/fasta/type_variable_as_super.dart.outline.expect b/pkg/front_end/test/fasta/type_variable_as_super.dart.outline.expect
new file mode 100644
index 0000000000000000000000000000000000000000..d8208123e000ad499f4f381b727c9b9db642228c
--- /dev/null
+++ b/pkg/front_end/test/fasta/type_variable_as_super.dart.outline.expect
@@ -0,0 +1,18 @@
+library;
+import self as self;
+import "dart:core" as core;
+
+abstract class A<T extends core::Object> extends core::Object {
+  constructor •() → void
+    ;
+}
+abstract class B<T extends core::Object> extends core::Object {
+  constructor •() → void
+    ;
+}
+class C<T extends core::Object> extends core::Object {
+  constructor •() → void
+    ;
+}
+static method main() → dynamic
+  ;