NO-SNOW: Fix flaky regr_* doctests

Author: sfc-gh-helmeleegy

src/snowflake/snowpark/functions.py

@@ -11748,7 +11748,7 @@ def regr_avgy(y: ColumnOrName, x: ColumnOrName, _emit_ast: bool = True) -> Colum
 
     Example::
 
-        >>> df = session.create_dataframe([[10, 11], [20, 22], [25, None], [30, 35]], schema=["v", "v2"])
+        >>> df = session.create_dataframe([[10, 11], [20, 22], [25, None], [30, 35]], schema=["v", "v2"]).sort("v")
         >>> df = df.group_by("v").agg(regr_avgy(df["v"], df["v2"]).alias("regr_avgy"))
         >>> df.collect()
         [Row(V=10, REGR_AVGY=10.0), Row(V=20, REGR_AVGY=20.0), Row(V=25, REGR_AVGY=None), Row(V=30, REGR_AVGY=30.0)]
@@ -11837,7 +11837,7 @@ def regr_sxx(y: ColumnOrName, x: ColumnOrName, _emit_ast: bool = True) -> Column
 
     Example::
 
-        >>> df = session.create_dataframe([[10, 11], [20, 22], [25, None], [30, 35]], schema=["v", "v2"])
+        >>> df = session.create_dataframe([[10, 11], [20, 22], [25, None], [30, 35]], schema=["v", "v2"]).sort("v")
         >>> df.group_by("v").agg(regr_sxx(col("v"), col("v2")).alias("regr_sxx")).collect()
         [Row(V=10, REGR_SXX=0.0), Row(V=20, REGR_SXX=0.0), Row(V=25, REGR_SXX=None), Row(V=30, REGR_SXX=0.0)]
     """