GG-32600 [IGNITE-12975] SQL query do not create cache (#18)

(cherry picked from commit 83208c2)

Author: isapego

pygridgain/client.py

@@ -587,7 +587,7 @@ def generate_result(value):
 
         conn = self.random_node
 
-        schema = self.get_or_create_cache(schema)
+        schema = self.get_cache(schema)
         result = sql_fields(
             conn, schema.cache_id, query_str,
             page_size, query_args, schema.name,

tests/test_binary.py

@@ -65,6 +65,7 @@
 
 def test_sql_read_as_binary(client):
 
+    client.get_or_create_cache(scheme_name)
     client.sql(drop_query)
 
     # create table