Remove unnecessary test

spark/src/test/java/org/apache/zeppelin/spark/ZeppelinRTest.java

@@ -1,88 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.zeppelin.spark;
-
-import org.apache.spark.SparkRBackend;
-import org.apache.zeppelin.interpreter.InterpreterOutput;
-import org.apache.zeppelin.interpreter.InterpreterOutputListener;
-import org.apache.zeppelin.interpreter.InterpreterResult;
-import org.junit.*;
-import org.junit.runners.MethodSorters;
-
-import java.io.File;
-import java.io.IOException;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-/**
- * SparkR
- */
-
-public class ZeppelinRTest implements InterpreterOutputListener {
-  private static ZeppelinR zr;
-
-  @BeforeClass
-  public static void setUp() throws IOException {
-    int port = SparkRBackend.init();
-    SparkRBackend.start();
-    zr = new ZeppelinR("/Library/Frameworks/R.framework/Resources/bin/R",
-        new File("../spark-1.6.0-bin-hadoop2.6/R/lib").getAbsolutePath(),
-        port);
-    zr.open();
-
-  }
-
-  @AfterClass
-  public static void tearDown() {
-    zr.close();
-    SparkRBackend.close();
-  }
-
-
-  @Test
-  public void testEval() throws IOException, InterruptedException {
-    zr.eval("a = 1+1");
-    assertEquals(2.0, zr.get("a"));
-  }
-
-  @Test
-  public void testEvalError() {
-    try {
-      zr.eval("nonExistObject");
-      assertTrue(false);
-    } catch (RuntimeException e) {
-      assertTrue(true);
-    }
-    zr.eval("a = \"Hello\"");
-  }
-
-  @Test
-  public void testSetGet() {
-    zr.set("a", 1);
-    assertEquals(1, zr.get("a"));
-  }
-
-  @Override
-  public void onAppend(InterpreterOutput out, byte[] line) {
-  }
-
-  @Override
-  public void onUpdate(InterpreterOutput out, byte[] output) {
-
-  }
-}