Added test case for drop_index_partition rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Removed unnecessary conversion to List

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for rename_index_partition rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Fixed rename_index_partition rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Removed duplicate test case

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'modify_index_partition' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'add_hash_index_partition' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'modify_index_default_attrs' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'alter_index_partitioning' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'rebuild_clause' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'shrink_clause' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Fixed 'alter_index' rule.

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Add test case for 'alter_index' rule

Signed-off-by: Sebastian Hoß <mail@shoss.de>