test: extend tests with scenario that nothing is listed in except

integration_tests/models/test_star.sql

@@ -1,6 +1,22 @@
-{# This tests that we can successfully create a table except a column, which we create outside of the star macro.
-In case the except wouldn't work, this SQL statement would fail due to duplicate column aliases. #}
+{# This model tests whether we can create successfully the tables using the star macro in different scenarios. 
+When the star macro doesn't work as expected, the SQL statements fail due to duplicate column aliases. #}
+
+{# Select all, except a list of columns. This works as expected when we can create select statements with the aliases listed in the except. #}
+with Select_all_except as (
+    select
+        {{ pm_utils.star(ref('input_table'), except=['Column_A']) }},
+        'A' as `Column_A`
+    from {{ ref('input_table') }}
+),
+
+{# Select all columns. This works as expected when we can use the columns in a next transformation. #}
+Select_all as (
+    select
+        {{ pm_utils.star(ref('input_table')) }}
+    from {{ ref('input_table') }}
+)
+
 select
-    {{ pm_utils.star(ref('input_table'), except=['Column_B']) }},
-    'B' as `Column_B`
-from {{ ref('input_table') }}
+    `Column_A`,
+    `Column_B`
+from Select_all