chore(csql): update postgres user for pg connection

Author: kgala2

tests/system/test_asyncpg_connection.py

@@ -152,7 +152,7 @@ async def getconn(
 async def test_sqlalchemy_connection_with_asyncpg() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]
 
@@ -168,7 +168,7 @@ async def test_sqlalchemy_connection_with_asyncpg() -> None:
 async def test_lazy_sqlalchemy_connection_with_asyncpg() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]
 
@@ -186,7 +186,7 @@ async def test_lazy_sqlalchemy_connection_with_asyncpg() -> None:
 async def test_connection_with_asyncpg() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]
 
@@ -202,7 +202,7 @@ async def test_connection_with_asyncpg() -> None:
 async def test_lazy_connection_with_asyncpg() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]
 

tests/system/test_pg8000_connection.py

@@ -92,7 +92,7 @@ def getconn() -> pg8000.dbapi.Connection:
 def test_pg8000_connection() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]
 
@@ -108,7 +108,7 @@ def test_pg8000_connection() -> None:
 def test_lazy_pg8000_connection() -> None:
     """Basic test to get time from database."""
     inst_conn_name = os.environ["POSTGRES_IAM_CONNECTION_NAME"]
-    user = os.environ["POSTGRES_USER"]
+    user = os.environ["POSTGRES_IAM_USER"]
     password = os.environ["POSTGRES_PASS"]
     db = os.environ["POSTGRES_DB"]