Removed test which is no longer part of this PR.

Author: culler

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/ExpressionEvaluationSuite.scala

@@ -775,25 +775,6 @@ class ExpressionEvaluationSuite extends FunSuite {
     checkEvaluation(~c1, -2, row)
   }
 
-  /*
-   * Testing the DSL conversions which allow literals on the left hand
-   * side of an expression.  Note: the DSL conversions collide with
-   * the scalatest === operator.  But we can apply the scalatest
-   * conversion explicitly:
-   * assert(X === Y) --> assert(EQ(X).===(Y))
-   */ 
-  import org.scalatest.Assertions.{convertToEqualizer => EQ}
-  test("recognizes literals on the left") {
-    assert(EQ(-1 + 'x).===(Add(-1, 'x)))
-    assert(EQ(0 < 'x).===(LessThan(0, 'x)))
-    assert(EQ(1.5 -=- 'x).===(EqualTo(1.5, 'x)))
-    assert(EQ(false !== 'x).===(Not(EqualTo(false, 'x))))
-    assert(EQ("a string" >= 'x).===(GreaterThanOrEqual("a string", 'x)))
-    assert(EQ(RichDate("2014-11-05") > 'date).===(GreaterThan(RichDate("2014-11-05"), 'date)))
-    assert(EQ(RichTimestamp("2014-11-05 12:34:56.789") < 'now)
-	   .===(LessThan(RichTimestamp("2014-11-05 12:34:56.789"), 'now)))
-  }
-
   test("comparison operators for RichDate and RichTimestamp") {
     assert(EQ(RichDate("2014-11-05") < RichDate("2014-11-06")).===(true))
     assert(EQ(RichDate("2014-11-05") <= RichDate("2013-11-06")).===(false))