Minor fix to issue with Appveyor (swagger-api#4365)

* show current folder in appveyor ci

* remove cache

* comment out folder delete

appveyor.yml

@@ -18,7 +18,8 @@ install:
   - cmd: SET MAVEN_OPTS=-XX:MaxPermSize=2g -Xmx4g
   - cmd: SET JAVA_OPTS=-XX:MaxPermSize=2g -Xmx4g
   - cmd: SET M2_HOME=C:\maven\apache-maven-3.2.5
-  - cmd: RMDIR "C:\projects\swagger-codegen\swagger-samples" /S /Q
+  - cmd: dir/w
+#  - cmd: RMDIR "C:\projects\swagger-codegen\swagger-samples" /S /Q
   - git clone https://github.com/wing328/swagger-samples
   - ps: Start-Process -FilePath 'C:\maven\apache-maven-3.2.5\bin\mvn' -ArgumentList 'jetty:run' -WorkingDirectory "$env:appveyor_build_folder\swagger-samples\java\java-jersey-jaxrs"
 build_script:
@@ -38,6 +39,6 @@ test_script:
 
   # generate all petstore clients
   - .\bin\windows\run-all-petstore.cmd
-cache:
+#cache:
 #  - C:\maven\
 #  - C:\Users\appveyor\.m2