build: fixes appveyor config

appveyor.yml

@@ -1,18 +1,20 @@
-version: '{build}'
-platform: x64
-clone_depth: 2
+version: "{build}"
+
+clone_depth: 1
 clone_folder: c:\gopath\src\github.com\mavogel\go-ssh-forward
+
 environment:
   GOPATH: c:\gopath
-  matrix:
-    - GOVERSION: 1.8.5
-    - GOVERSION: 1.9.2
+
 install:
-  - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
-  - rmdir c:\go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go%GOVERSION%.windows-amd64.zip
-  - 7z x go%GOVERSION%.windows-amd64.zip -y -oC:\ > NUL
+  - echo %PATH%
+  - echo %GOPATH%
+  - go version
+  - go env
+  - set PATH=%PATH%;%GOPATH%\bin
+
 test_script:
-  - for /f "" %%G in ('go list ./... ^| find /i /v "/vendor/"') do ( go test %%G & IF ERRORLEVEL == 1 EXIT 1)
-matrix:
-  fast_finish: true
+  - for /f "" %%G in ('go list github.com/mavogel/go-ssh-forward/...') do ( go test -v %%G & IF ERRORLEVEL == 1 EXIT 1)
+
+build: off
+deploy: off