plugin-it failing because expected file does not exist

[INFO] --- maven-failsafe-plugin:2.19.1:integration-test (run-integration-tests) @ accumulo-maven-plugin ---
[INFO]
[INFO] --- maven-invoker-plugin:2.0.0:run (integration-test) @ accumulo-maven-plugin ---
[INFO] Building: plugin-test/pom.xml
[INFO] run script postbuild.groovy
[INFO] ..FAILED (25.0 s)
[INFO]   The post-build script did not succeed. assert testCreateTable.isFile()
       |               |
       |               false
       /Users/jelser/projects/accumulo-1.7.git/maven-plugin/target/it/plugin-test/target/accumulo-maven-plugin/plugin-it-instance/testCreateTablePassed
[INFO] -------------------------------------------------
[INFO] Build Summary:
[INFO]   Passed: 0, Failed: 1, Errors: 0, Skipped: 0
[INFO] -------------------------------------------------