fixed test expectation value

test/CDB_EqualIntervalBinsTest.sql

@@ -1,5 +1,5 @@
 WITH data AS (
-    SELECT array_agg(x) s FROM generate_series(1,300) x 
+    SELECT array_agg(x::numeric) s FROM generate_series(1,300) x 
         WHERE x % 5 != 0 AND x % 7 != 0
     ) 
 SELECT round(unnest(CDB_EqualIntervalBins(s, 7)),7) FROM data

test/CDB_EqualIntervalBins_expect

@@ -4,4 +4,4 @@
 171.2857143
 213.8571429
 256.4285714
-299
+299.0000000