Add specs for java_method/java_send on an interface module. #2857

Author: headius

spec/java_integration/interfaces/static_methods_spec.rb

@@ -25,5 +25,13 @@
     it "binds those methods on the proxy module" do
       expect(Java::Java8Interface.message).to eq("hello")
     end
+
+    it "exposes those methods via java_send" do
+      expect(Java::Java8Interface.java_send(:message)).to eq("hello")
+    end
+
+    it "exposes those methods via java_method" do
+      expect(Java::Java8Interface.java_method(:message).call).to eq("hello")
+    end
   end
 end