GEODE-837: update tests from JUnit3 to JUnit4

* convert JUnit3 tests to use JUnit4 syntax and classes
* remove unused junit3 classes
* rename misnamed tests
* fixup and organize imports
* remove empty or worthless javadocs
* remove deadcode
* update from junit.framework.Assert to org.junit.Assert
* fix exception eating
* add usage of junit Assume
* remove some empty constructors
* increase getRepeatTimeoutMs to 2 minutes
* use getDiskDirs() and getUniqueName() for disk dirs in some tests
* move some setup code from ctor to setup
* change scope of some methods and vars to private
* add TODOs for further cleanup work
* remove some unecessary type casts
* annotate disabled tests with @ignore and @test
* change assertEquals with floats to call three arg version
* add some missing categories

convert_one_dunit_to_junit4.pl

@@ -0,0 +1,41 @@
+#!/usr/bin/perl -w -i -p
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+use strict;
+
+my $filename = $ARGV;
+$filename =~ s/.*\/(.*).java/$1/;
+
+#Change constructor to a no arg constructor
+s/(public.*$filename)\(String name\)/$1()/;
+s/super\(name\)/super()/;
+
+#Add @Test annotation
+s/^[^\/]*public void test/  \@Test\n  public void test/;
+
+#Extend the correct junit 4 class
+s/extends CacheTestCase/extends JUnit4CacheTestCase/;
+s/extends DistributedTestCase/extends JUnit4DistributedTestCase/;
+
+#Add the DistributedTest category
+s/(^public class $filename)/\@Category(DistributedTest.class)\n$1/;
+
+#Change calls to new MyTest("string") to use the no arg constructor
+s/new $filename\(\".*?\"\)/new $filename\(\)/;
+
+#Add imports
+s/^(package com.gemstone.*)/$1\n\nimport org.junit.experimental.categories.Category;\nimport org.junit.Test;\n\nimport static org.junit.Assert.*;\n\nimport com.gemstone.gemfire.test.dunit.cache.internal.JUnit4CacheTestCase;\nimport com.gemstone.gemfire.test.dunit.internal.JUnit4DistributedTestCase;\nimport com.gemstone.gemfire.test.junit.categories.DistributedTest;/
+