Update ColumnDecoderMixedMethodsTest.java

small error in test array

Author: Isso-W

src/test/java/org/apache/sysds/test/functions/transform/ColumnDecoderMixedMethodsTest.java

@@ -43,7 +43,7 @@ public void setUp() {
     public void testColumnDecoderMixedMethods() {
         try {
             int rows = 50000;
-            double[][] arr = new double[rows][6];
+            double[][] arr = new double[rows][5];
             for (int i = 0; i < rows; i++) {
                 arr[i][0] = (i % 4) + 2; // dummy column
                 arr[i][1] = 2*i + 1;     // bin column
@@ -84,4 +84,4 @@ public void testColumnDecoderMixedMethods() {
             throw new RuntimeException(ex);
         }
     }
-}
+}