switch tests on new inference

(cherry picked from commit d2cbf3f2833104c3a0381059b0d6ef8ac0b3c94c)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/IDEA98866.java

@@ -0,0 +1,17 @@
+import java.util.*;
+public class TestInfer
+{
+    static <V, T extends V> List<V> singleton(T item)
+    {
+        ArrayList<V> list = new ArrayList<>();
+        list.add(item);
+        return list;
+    }
+
+    public List<Number> test()
+    {
+        List<Number> ln = singleton(new Long(1));
+
+        return singleton(new Long(2));
+    }
+}