diff --git a/.codecov.yml b/.codecov.yml
new file mode 100644
index 0000000..959972a
--- /dev/null
+++ b/.codecov.yml
@@ -0,0 +1 @@
+comment: false
\ No newline at end of file
diff --git a/test/Project.toml b/test/Project.toml
index 0c899ce..d774034 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -10,6 +10,7 @@ Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+TestsForCodecPackages = "c2e61002-3542-480d-8b3c-5f05cc4f8554"
 TranscodingStreams = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
 ZipArchives = "49080126-0e18-4c2a-b176-c102e4b3760c"
 p7zip_jll = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
diff --git a/test/test_ts.jl b/test/test_ts.jl
index 77ef7f7..bd13319 100644
--- a/test/test_ts.jl
+++ b/test/test_ts.jl
@@ -2,13 +2,16 @@ using CodecInflate64
 using CodecZlib: DeflateCompressor, DeflateCompressorStream
 using Random
 using Test
-import TranscodingStreams:
-    TranscodingStreams,
-    TranscodingStream,
+using TranscodingStreams: TranscodingStream
+using TestsForCodecPackages:
     test_roundtrip_read,
     test_roundtrip_write,
+    test_roundtrip_transcode,
     test_roundtrip_lines,
-    test_roundtrip_transcode
+    test_roundtrip_seekstart,
+    test_roundtrip_fileio,
+    test_chunked_read,
+    test_chunked_write
 
 @testset "Deflate Codec" begin
 
@@ -18,11 +21,12 @@ import TranscodingStreams:
 
     test_roundtrip_read(DeflateCompressorStream, DeflateDecompressorStream)
     test_roundtrip_write(DeflateCompressorStream, DeflateDecompressorStream)
-    test_roundtrip_lines(DeflateCompressorStream, DeflateDecompressorStream)
-    if isdefined(TranscodingStreams, :test_roundtrip_seekstart)
-        TranscodingStreams.test_roundtrip_seekstart(DeflateCompressorStream, DeflateDecompressorStream)
-    end
     test_roundtrip_transcode(DeflateCompressor, DeflateDecompressor)
+    test_roundtrip_lines(DeflateCompressorStream, DeflateDecompressorStream)
+    test_roundtrip_seekstart(DeflateCompressorStream, DeflateDecompressorStream)
+    test_roundtrip_fileio(DeflateCompressor, DeflateDecompressor)
+    test_chunked_read(DeflateCompressor, DeflateDecompressor)
+    test_chunked_write(DeflateCompressor, DeflateDecompressor)
 
     @test DeflateDecompressorStream <: TranscodingStream
 end
\ No newline at end of file