Swift: Update expected test output

Author: hvitved

swift/ql/test/query-tests/Diagnostics/Info.expected

@@ -1,3 +1,3 @@
-| error.swift:0:0:0:0 | error.swift | query-tests/Diagnostics/error.swift |  |
+| error.swift:0:0:0:0 | error.swift | error.swift |  |
 | file://:0:0:0:0 |  |  |  |
-| main.swift:0:0:0:0 | main.swift | query-tests/Diagnostics/main.swift | isSuccessfullyExtracted |
+| main.swift:0:0:0:0 | main.swift | main.swift | isSuccessfullyExtracted |