remove unnecessary test

python/src/test/java/org/apache/zeppelin/python/PythonInterpreterPandasSqlTest.java

@@ -142,32 +142,6 @@ public class PythonInterpreterPandasSqlTest implements InterpreterOutputListener
             context).code());
   }
 
-  @Test
-  public void sqlCountOverTestDataFrame() throws IOException, InterpreterException {
-    InterpreterResult ret;
-    // given
-    // DataFrame df3 \w generated 200 test rows
-    ret = python.interpret("import pandas as pd\n"
-        + "import numpy as np\n"
-        + "df3 = pd.DataFrame(\n"
-        + "    np.array([\n"
-        + "        np.arange(0, 200),\n"
-        + "        np.random.randn(200).cumsum(),\n"
-        + "        np.random.randn(200).cumsum(),\n"
-        + "        np.random.randint(1, 3, 200)\n"
-        + "    ]).transpose(),\n"
-        + "    columns=[\"X\", \"Y\", \"Z\", \"Group\"])", context);
-    assertEquals(ret.message().toString(), InterpreterResult.Code.SUCCESS, ret.code());
-
-    //when
-    ret = sql.interpret("select count(*) from df3", context);
-
-    //then
-    assertEquals(InterpreterResult.Code.SUCCESS, ret.code());
-    assertEquals(Type.TABLE, out.getOutputAt(1).getType());
-    assertTrue(new String(out.getOutputAt(1).toByteArray()).contains("200"));
-  }
-
   @Test
   public void badSqlSyntaxFails() throws IOException, InterpreterException {
     //when