Fix test_case_insensitivity that had a typo leading to always being skipped

Author: carlopi

test/sql/test_case_insensitivity.test

@@ -4,7 +4,9 @@
 
 require mysql_scanner
 
-require-env MYSQL_TEST_DATABASE_AVAILABLErequire-env POSTGRES_TEST_DATABASE_AVAILABLE
+require-env MYSQL_TEST_DATABASE_AVAILABLE
+
+require-env POSTGRES_TEST_DATABASE_AVAILABLE
 
 statement ok
 ATTACH 'host=localhost user=root port=0 database=mysqlscanner' AS s (TYPE MYSQL_SCANNER)