fix syntax errors (#705)

* fix syntax errors

* remove whitespace in seed file

integration_tests/data/sql/data_safe_divide_numerator_expressions.csv

@@ -4,5 +4,4 @@ numerator_1,numerator_2,denominator,output
 0,0,0,
 3,4,,
 ,6,14,
-2,5,2,5
-
+2,5,2,5

integration_tests/models/sql/test_safe_divide.sql

@@ -1,16 +1,16 @@
-
+ 
 with data_safe_divide as (
 
     select * from {{ ref('data_safe_divide') }}
 
 ),
 
-data_safe_divide_numerator_expressions (
+data_safe_divide_numerator_expressions as (
 
     select * from {{ ref('data_safe_divide_numerator_expressions') }}
 ),
 
-data_safe_divide_denominator_expressions (
+data_safe_divide_denominator_expressions as (
 
     select * from {{ ref('data_safe_divide_denominator_expressions') }}
 )
@@ -26,11 +26,13 @@ union all
 select 
     {{ dbt_utils.safe_divide('numerator_1 * numerator_2', 'denominator') }} as actual,
     output as expected
+
 from data_safe_divide_numerator_expressions
 
 union all
 
 select 
     {{ dbt_utils.safe_divide('numerator', 'denominator_1 * denominator_2') }} as actual,
     output as expected
+
 from data_safe_divide_denominator_expressions