refactored the tests to prepare running ecj as well as delombok.

test/transform/resource/after-delombok/NonNullPlain.java

@@ -0,0 +1,25 @@
+class NonNullPlain {
+	@lombok.NonNull
+	int i;
+	@lombok.NonNull
+	String s;
+	@lombok.NonNull
+	@java.lang.SuppressWarnings("all")
+	public int getI() {
+		return this.i;
+	}
+	@java.lang.SuppressWarnings("all")
+	public void setI(@lombok.NonNull final int i) {
+		this.i = i;
+	}
+	@lombok.NonNull
+	@java.lang.SuppressWarnings("all")
+	public String getS() {
+		return this.s;
+	}
+	@java.lang.SuppressWarnings("all")
+	public void setS(@lombok.NonNull final String s) {
+		if (s == null) throw new java.lang.NullPointerException("s");
+		this.s = s;
+	}
+}