Copied dictionary to read corpus

Tests/SwiftNLPTests/2. Encoding/HNSWTests.swift

@@ -307,13 +307,15 @@ final class HNSWTests: XCTestCase {
                 in: readTransaction
             )
             
+            readCorpus.dictionary = corpus.getDictionary() // FIXME: don't copy over dictionary
+            
             // do not add documents here!
             
             let result = try readCorpus.encodedDocuments.find(near: queryVector, limit: 8, in: transaction)
             
             for result in result {
                 let key = Int(result.id.foreignKey)!
-                print(corpus.getUntokenizedDocument(at: key))
+                print(readCorpus.getUntokenizedDocument(at: key))
             }
             
             print("Query completed!")