Explicitly specify test to run in CI

Author: tsolomko

.travis.yml

@@ -1,12 +1,16 @@
 jobs:
   include:
     - stage: test
-      language: objective-c
+      language: swift
       os: osx
       osx_image: xcode9.4
       script:
       - swift build
-      - swift test
+      - swift test --filter BitByteDataTests.ByteReaderTests
+      - swift test --filter BitByteDataTests.LsbBitReaderTests
+      - swift test --filter BitByteDataTests.MsbBitReaderTests
+      - swift test --filter BitByteDataTests.LsbBitWriterTests
+      - swift test --filter BitByteDataTests.MsbBitWriterTests
       - swift build -c release # Check Release build just in case.
     - language: generic
       os: linux
@@ -15,11 +19,15 @@ jobs:
       - eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"
       script:
       - swift build
-      - swift test
+      - swift test --filter BitByteDataTests.ByteReaderTests
+      - swift test --filter BitByteDataTests.LsbBitReaderTests
+      - swift test --filter BitByteDataTests.MsbBitReaderTests
+      - swift test --filter BitByteDataTests.LsbBitWriterTests
+      - swift test --filter BitByteDataTests.MsbBitWriterTests
       - swift build -c release # Check Release build just in case.
     - stage: deploy
       if: tag IS present
-      language: objective-c
+      language: generic
       os: osx
       osx_image: xcode9.4
       env: