private String runtimeClassPath() {
		StringBuilder runtimeClassPath = new StringBuilder();
		for (URL url : getClassPaths(LocalScriptTestDriveService.class.getClassLoader())) {
			if (url.getPath().contains("ngrinder-runtime") || url.getPath().contains("ngrinder-groovy")) {
				runtimeClassPath.append(decodePathWithUTF8(url.getFile())).append(File.pathSeparator);
			}
		}
		return runtimeClassPath.toString();
	}
Validate script.

@param base                 working directory
@param script               script file
@param eventSynchronisation condition for event synchronization
@param securityEnabled      if security is set or not.
@param hostString           hostString
@param timeout              timeout in sec.
@return File which stores validation result.
ngrinder-core/src/main/java/net/grinder/engine/agent/LocalScriptTestDriveService.java