Fixed a bug where Java enum body indentation was not correct

Added test for Java enum indentation

queries/java/indents.scm

@@ -1,6 +1,8 @@
 [
   (class_declaration)
   (class_body)
+  (enum_declaration)
+  (enum_body)
   (constructor_declaration)
   (constructor_body)
   (block)

tests/indent/java/enum.java

@@ -0,0 +1,4 @@
+public enum Foo {
+  THING_A,
+  THING_C;
+}

tests/indent/java_spec.lua

@@ -18,5 +18,6 @@ describe("indent Java:", function()
   describe("new line:", function()
     run:new_line("method.java", { on_line = 1, text = "void foo() {}", indent = 2 })
     run:new_line("issue_2571.java", { on_line = 5, text = "void bar() {}", indent = 2 })
+    run:new_line("enum.java", { on_line = 2, text = "THING_B,", indent = 2 })
   end)
 end)