[formatting] add newline to file(s) (#1508)

* Trail appropriate files with a new line

* For some ironic reason it ignored itself

Probably because it wasn’t tracked/commited yet.

* Rename newlines to server executable naming pattern

tests/build.gradle

@@ -8,4 +8,4 @@ sourceSets{
             srcDir "src/test/resources"
         }
     }
-}
+}

tests/src/test/java/ApplicationTests.java

@@ -447,4 +447,4 @@ public class ApplicationTests{
         tile.block().handleStack(item, 1, tile, unit);
         assertEquals(capacity, tile.entity.items.get(item));
     }
-}
+}