keywordsAndOperators(org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest)  Time elapsed: 0.273 sec  <<< ERROR!
org.jenkinsci.plugins.scriptsecurity.sandbox.RejectedAccessException: Scripts not permitted to use staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods leftShift java.util.List java.lang.Object
        at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest.assertEvaluate(SandboxInterceptorTest.java:582)
        at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest.keywordsAndOperators(SandboxInterceptorTest.java:542)

ambiguousOverloads(org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest)  Time elapsed: 0.03 sec  <<< ERROR!
groovy.lang.GroovyRuntimeException: 
Ambiguous method overloading for method org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest$Ambiguity#m.
Cannot resolve which method to invoke for [null] due to overlapping prototypes between:
        [class java.lang.String]
        [class java.net.URL]
        at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest.assertEvaluate(SandboxInterceptorTest.java:582)
        at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptorTest.ambiguousOverloads(SandboxInterceptorTest.java:497)