Added hentaicafe ripper unit test

src/test/java/com/rarchives/ripme/tst/ripper/rippers/HentaicafeRipperTest.java

@@ -0,0 +1,13 @@
+package com.rarchives.ripme.tst.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+import com.rarchives.ripme.ripper.rippers.HentaiCafeRipper;
+
+public class HentaicafeRipperTest extends RippersTest {
+    public void testHentaiCafeAlbum() throws IOException {
+        HentaiCafeRipper ripper = new HentaiCafeRipper(new URL("https://hentai.cafe/kikuta-the-oni-in-the-room/"));
+        testRipper(ripper);
+    }
+}