fix test

dbms/programs/client/Client.cpp

@@ -1553,6 +1553,7 @@ private:
     static std::pair<String, String> parseParameter(const String & s)
     {
         size_t pos = s.find('_') + 1;
+        /// String begins with "--param_", so check is no needed
         /// Cut two first dash "--" and divide arg from name and value
         return {s.substr(2, pos - 2), s.substr(pos)};
     }

dbms/tests/queries/0_stateless/00951_http_prepared_statements.sh

@@ -9,11 +9,11 @@ ${CLICKHOUSE_CURL} -sS $CLICKHOUSE_URL -d "CREATE TABLE ps (i UInt8, s String) E
 ${CLICKHOUSE_CURL} -sS $CLICKHOUSE_URL -d "INSERT INTO ps VALUES (1, 'Hello, world')";
 ${CLICKHOUSE_CURL} -sS $CLICKHOUSE_URL -d "INSERT INTO ps VALUES (2, 'test')";
 
-${CLICKHOUSE_CURL} "${CLICKHOUSE_URL}?param_id=1"\
-	-d "SELECT * FROM ps WHERE i = {id:UInt8}";
-${CLICKHOUSE_CURL} "${CLICKHOUSE_URL}?param_phrase=Hello,+world"\
-	-d "SELECT * FROM ps WHERE s = {phrase:String}";
-${CLICKHOUSE_CURL} "${CLICKHOUSE_URL}?param_id=2&param_phrase=test"\
-	-d "SELECT * FROM ps WHERE i = {id:UInt8} and s = {phrase:String}";
+${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?param_id=1"\
+	-d "SELECT * FROM ps WHERE i = {id:UInt8} ORDER BY i, s";
+${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?param_phrase=Hello,+world"\
+	-d "SELECT * FROM ps WHERE s = {phrase:String} ORDER BY i, s";
+${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?param_id=2&param_phrase=test"\
+	-d "SELECT * FROM ps WHERE i = {id:UInt8} and s = {phrase:String} ORDER BY i, s";
 
 ${CLICKHOUSE_CURL} -sS $CLICKHOUSE_URL -d "DROP TABLE ps";