[SPARK-8199][SQL] follow up; revert change in test

rxin / davies

Sorry for that unnecessary change. And thanks again for all your support!

Author: Tarek Auel <tarek.auel@googlemail.com>

Closes #7505 from tarekauel/SPARK-8199-FollowUp and squashes the following commits:

d09321c [Tarek Auel] [SPARK-8199] follow up; revert change in test
c17397f [Tarek Auel] [SPARK-8199] follow up; revert change in test
67acfe6 [Tarek Auel] [SPARK-8199] follow up; revert change in test

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

@@ -74,7 +74,7 @@ class DateFunctionsSuite extends SparkFunSuite with ExpressionEvalHelper {
         (0 to 5).foreach { i =>
           val c = Calendar.getInstance()
           c.set(y, m, 28, 0, 0, 0)
-          c.add(Calendar.DATE, 1)
+          c.add(Calendar.DATE, i)
           checkEvaluation(DayInYear(Cast(Literal(new Date(c.getTimeInMillis)), DateType)),
             sdfDay.format(c.getTime).toInt)
         }
@@ -86,7 +86,7 @@ class DateFunctionsSuite extends SparkFunSuite with ExpressionEvalHelper {
         (0 to 5).foreach { i =>
           val c = Calendar.getInstance()
           c.set(y, m, 28, 0, 0, 0)
-          c.add(Calendar.DATE, 1)
+          c.add(Calendar.DATE, i)
           checkEvaluation(DayInYear(Cast(Literal(new Date(c.getTimeInMillis)), DateType)),
             sdfDay.format(c.getTime).toInt)
         }