Add support for eclipse feature tests

test/eclipse/resource/extractinterface/usage/before/A.java

@@ -0,0 +1,15 @@
+package pkg;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@EqualsAndHashCode
+@Getter
+@Setter
+@ToString
+public class A {
+	private String string;
+	private int integer;
+}

test/eclipse/resource/extractinterface/usage/before/B.java

@@ -0,0 +1,12 @@
+package pkg;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class B {
+	private A a = new A();
+	private String string = a.getString();
+	private int integer = a.getInteger();
+}