Added test for #3767

tests/queries/0_stateless/01375_null_issue_3767.sql

+DROP TABLE IF EXISTS null_issue_3767;
+
+CREATE TABLE null_issue_3767 (value Nullable(String)) ENGINE=Memory;
+
+INSERT INTO null_issue_3767 (value) VALUES ('A String'), (NULL);
+
+SELECT value FROM null_issue_3767 WHERE value NOT IN ('A String');
+
+DROP TABLE null_issue_3767;