Update appveyor.yml

get me lein already!

appveyor.yml

@@ -45,9 +45,11 @@ install:
   - cmd: call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat" %PLATFORM%
   - cmd: bash -cvx "if test -x \"$(which appveyor-retry 2>/dev/null)\" && test -x \"$(which pacman)\" && test -n \"$(ls m*.db*)\"; then (appveyor-retry pacman -Syuu --needed --noconfirm --noprogressbar --ask=127) && (appveyor-retry pacman -S --noconfirm clojure leiningen); fi
   - cmd: bash -cvx "if test -x \"$(which choco)\"; then choco update; (choco install leiningen || choco install --pre leiningen); elif test -x \"$(which scoop)\"; then (scoop bucket add main && scoop install main/leiningen); fi
+  - cmd: bash -cvx "if (test ! -e \"$(which lein)\" || test ! -x \"$(which lein)\") && test -x \"$(which scoop)\"; then (scoop bucket add main && scoop install main/leiningen); fi
 
 test_script:
-  - cmd: bash -cvx "lein test || lein test-all || mvn test || mvn test-compile || mvn generate-test-sources || mvn process-test-sources || mvn generate-test-resources || mvn process-test-resources || mvn process-test-classes || mvn pre-integration-test || mvn integration-test || mvn post-integration-test || mvn verify || lein check || lein check-all || lein compile || lein javac || lein retest"
+  - cmd: bash -cvx "echo \"${PATH}\""
+  - cmd: bash -cvx "lein test || lein test-all || mvn test || mvn test-compile || mvn generate-test-sources || mvn process-test-sources || mvn generate-test-resources || mvn process-test-resources || mvn process-test-classes || mvn pre-integration-test || mvn integration-test || mvn post-integration-test || mvn verify || lein check || lein check-all || lein compile || lein javac || lein retest || (if test -x \"$(which locate)\"; then locate lein; fi)"
   - cmd: powershell -noninteractive -noprofile -command .\script\test.ps1 > test-out.txt
   - cmd: type test-out.txt
   # Since tests are currently only run in 2 JavaScript environments, look for exactly 2 counts of "0 failures, 0 errors."