Fix NamedType error in tests

[mschwager]

Fixes:

--- expected
+++ actual
@@ -1,3 +1,5 @@
+WARNING: type 'NamedType' has been deprecated and may be removed in future (MissingMinVersionTLS.ql:97,12-21)
+WARNING: type 'NamedType' has been deprecated and may be removed in future (MissingMinVersionTLS.ql:102,12-21)
 | MissingMinVersionTLS.go:25:14:25:25 | struct literal | TLS.Config.MinVersion is never set for variable $@  | MissingMinVersionTLS.go:25:3:25:8 | config | config |
 | MissingMinVersionTLS.go:35:14:37:3 | struct literal | TLS.Config.MinVersion is never set for variable $@  | MissingMinVersionTLS.go:35:3:35:8 | config | config |
 | MissingMinVersionTLS.go:50:13:50:24 | struct literal | TLS.Config.MinVersion is never set for variable $@  | MissingMinVersionTLS.go:50:3:50:8 | config | config |

https://codeql.github.com/docs/codeql-overview/codeql-changelog/codeql-cli-2.20.5/#id9