Trivial fix for regex in stats tests (#572)

diff --git a/framework/resources/Functional/table_stats/stats/positive/pp_some_cols_3.plan b/framework/resources/Functional/table_stats/stats/positive/pp_some_cols_3.plan
index dae5539..2660e43 100644
--- a/framework/resources/Functional/table_stats/stats/positive/pp_some_cols_3.plan
+++ b/framework/resources/Functional/table_stats/stats/positive/pp_some_cols_3.plan
@@ -1 +1 @@
-\[\{"computed":"2019-04-04","columns":\[\{"column":"`p_name`","majortype":\{"type":"VARCHAR","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":2000,"avgwidth":33.127,"histogram":.*\},\{"column":"`p_type`","majortype":\{"type":"VARCHAR","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":150,"avgwidth":20.551,"histogram":.*\},\{"column":"`p_size`","majortype":\{"type":"INT","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":50,"avgwidth":4.0,"histogram":.*\},\{"column":"`p_retailprice`","majortype":\{"type":"FLOAT8","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":1100,"avgwidth":8.0,"histogram":\{.*\}\]\}\]
\ No newline at end of file
+\[\{"computed":.*,"columns":\[\{"column":"`p_name`","majortype":\{"type":"VARCHAR","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":2000,"avgwidth":33.127,"histogram":.*\},\{"column":"`p_type`","majortype":\{"type":"VARCHAR","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":150,"avgwidth":20.551,"histogram":.*\},\{"column":"`p_size`","majortype":\{"type":"INT","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":50,"avgwidth":4.0,"histogram":.*\},\{"column":"`p_retailprice`","majortype":\{"type":"FLOAT8","mode":"REQUIRED"\},"schema":1.0,"rowcount":2000.0,"nonnullrowcount":2000.0,"ndv":1100,"avgwidth":8.0,"histogram":\{.*\}\]\}\]
\ No newline at end of file