appveyor: Re-start testing real usage

appveyor.yml

@@ -6,9 +6,13 @@ environment:
     - TARGET: x86_64-pc-windows-msvc
       BITS: 64
       RUSTVER: 1.23.0
+      ruby_version: "23-x64"
+      devkit: C:\Ruby23-x64\DevKit
     - TARGET: x86_64-pc-windows-msvc
       BITS: 64
       RUSTVER: 1.23.0
+      ruby_version: "23"
+      devkit: C:\Ruby23\DevKit
 
 install:
   - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-${env:RUSTVER}-${env:TARGET}.exe"
@@ -17,8 +21,20 @@ install:
   - SET PATH=%PATH%;C:\MinGW\bin
   - rustc -V
   - cargo -V
+  - SET PATH=C:\Ruby%ruby_version%\bin;%PATH%
+  - "%devkit%\\devkitvars.bat"
+  - ruby --version
+  - bundle install
 
 build: false
 
+before_test:
+  ps: |
+    $job = Start-Process bundle -ArgumentList "exec", "fluentd","-c", ".\conf\in_forward.conf" -NoNewWindow -PassThru
+    $Env:FLUENTD_JOB_ID = $job.Id
+
 test_script:
-  - cargo test
+  - cargo test --features "readme-testing fluentd"
+
+after_test:
+  - ps: Stop-Process -Id $Env:FLUENTD_JOB_ID