8003280: Add lambda tests

Turn on lambda expression, method reference and default method support

Reviewed-by: jjg

langtools/test/tools/javac/lambda/lambdaExpression/InvalidExpression5.java

@@ -0,0 +1,14 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *   Test invalid lambda expressions
+ * @compile/fail/ref=InvalidExpression5.out -XDrawDiagnostics InvalidExpression5.java
+ */
+
+public class InvalidExpression5 {
+
+    void test() {
+        Object o = (int n) -> { }; // Invalid target type
+    }
+}