Fixes S3ToRedshift COPY query (#10436)

* fix: 🐛 Wrong S3 URI on COPY query

The S3 URI on COPY query was appending the target Redshift table to the
S3 object key.

* test: 💍 Fixed typo on test query

The COPY query that the operator used is the same query the test uses.

airflow/providers/amazon/aws/transfers/s3_to_redshift.py

@@ -96,7 +96,7 @@ class S3ToRedshiftOperator(BaseOperator):
 
         copy_query = """
             COPY {schema}.{table}
-            FROM 's3://{s3_bucket}/{s3_key}/{table}'
+            FROM 's3://{s3_bucket}/{s3_key}'
             with credentials
             'aws_access_key_id={access_key};aws_secret_access_key={secret_key}'
             {copy_options};

tests/providers/amazon/aws/transfers/test_s3_to_redshift.py

@@ -55,7 +55,7 @@ class TestS3ToRedshiftTransfer(unittest.TestCase):
 
         copy_query = """
             COPY {schema}.{table}
-            FROM 's3://{s3_bucket}/{s3_key}/{table}'
+            FROM 's3://{s3_bucket}/{s3_key}'
             with credentials
             'aws_access_key_id={access_key};aws_secret_access_key={secret_key}'
             {copy_options};