MXS-2103: Fix CREATE TEMPORARY TABLE detection

The table creation was not detected as the function used to extract the
table name did not return the fully qualified names. Even if it did return
a fully qualified name, it wouldn't have been correctly processed.

maxscale-system-test/temporal_tables.cpp

@@ -58,5 +58,12 @@ int main(int argc, char *argv[])
 
     test.maxscales->close_maxscale_connections(0);
 
+    // MXS-2103
+    test.maxscales->connect();
+    test.try_query(test.maxscales->conn_rwsplit[0], "CREATE TEMPORARY TABLE temp.dummy5 (dum INT);");
+    test.try_query(test.maxscales->conn_rwsplit[0], "INSERT INTO temp.dummy5 VALUES(1),(2);");
+    test.try_query(test.maxscales->conn_rwsplit[0], "SELECT * FROM temp.dummy5;");
+    test.maxscales->disconnect();
+
     return test.global_result;
 }