/usr/bin/junit is in junit 3.8.2-8.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53  | #!/bin/sh
#
# junit command line program for Debian
# author:  Takashi Okamoto <tora@debian.org>
# usage:
#        junit [-text] <TestCase> output result with text. 
#                                 This mode is default.
#        junit -awt <TestCase>    output result with awt ui.
#        junit -swing <TestCase>  output result with swing ui.
TESTRUNNER=junit.textui.TestRunner
CLASSPATH=${CLASSPATH}:/usr/share/java/junit.jar:.
if [ "$#" = "0" ]; then
  TESTRUNNER=junit.awtui.TestRunner
fi
if [ "$1" = "-text" ] ; then
  shift;
  if [ "$#" = "0" ] ; then
    FLAG=false
  fi
elif [ "$1" = "-swing" ] ; then
  shift;
  TESTRUNNER=junit.swingui.TestRunner
  if [ "$#" != "0" ]; then
	echo "-swing option should not have other arguments"
	exit;
  fi
elif [ "$1" = "-awt" ] ; then
  shift
  TESTRUNNER=junit.awtui.TestRunner
  if [ "$#" != "0" ]; then	
	echo "-awt option should not have other arguments"
	exit;
  fi
fi
if [ "$1" = "-help" ] || [ "$FLAG" = "false" ] ; then
  echo "junit 3.8.1 -- this version is modified by Takashi Okamoto <tora@debian.org> for Debian."
  echo "Usage:	junit "
  echo "		-text  <TestCaseName> -  using text user interface."
  echo "		-awt	- using awt user interface."
  echo "		-swing	- using swing user interface."
  echo "TestCaseName is the name of the TestCase class"
  exit
fi
exec java -classpath ${CLASSPATH} ${TESTRUNNER}  ${1+"$@"}
 |