RFR (s) 8202520: JShell tests: move intermittently failing tests to tier2

[Robert Field]

Please review.

Bug:

     https://bugs.openjdk.java.net/browse/JDK-8202520

hg diff:


diff -r f4310c01104d test/langtools/TEST.groups
--- a/test/langtools/TEST.groups        Tue May 01 17:28:03 2018 -0700
+++ b/test/langtools/TEST.groups        Tue May 01 21:34:50 2018 -0700
@@ -1,4 +1,4 @@
-#  Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights 
reserved.
+#  Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights 
reserved.
  #  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  #
  #  This code is free software; you can redistribute it and/or modify it
@@ -28,14 +28,32 @@
      lib \
      tools \
      -jdk/jshell/ExternalEditorTest.java \
+    -jdk/jshell/FailOverDirectExecutionControlTest.java \
+    -jdk/jshell/FailOverExecutionControlDyingLaunchTest.java \
+    -jdk/jshell/FailOverExecutionControlHangingListenTest.java \
+    -jdk/jshell/JdiHangingListenExecutionControlTest.java \
+    -jdk/jshell/JdiLaunchingExecutionControlTest.java \
+    -jdk/jshell/JdiListeningExecutionControlTest.java \
+    -jdk/jshell/JdiListeningLocalhostExecutionControlTest.java  \
+    -jdk/jshell/ToolBasicTest.java \
+    -jdk/jshell/ToolLocaleMessageTest.java \
      -jdk/jshell/ToolReloadTest.java \
-    -jdk/jshell/ToolLocaleMessageTest.java
+    -jdk/jshell/UserJdiUserRemoteTest.java

  # (Almost) no langtools tests are tier 2.
  tier2 = \
      jdk/jshell/ExternalEditorTest.java \
+    jdk/jshell/FailOverDirectExecutionControlTest.java \
+    jdk/jshell/FailOverExecutionControlDyingLaunchTest.java \
+    jdk/jshell/FailOverExecutionControlHangingListenTest.java \
+    jdk/jshell/JdiHangingListenExecutionControlTest.java \
+    jdk/jshell/JdiLaunchingExecutionControlTest.java \
+    jdk/jshell/JdiListeningExecutionControlTest.java \
+    jdk/jshell/JdiListeningLocalhostExecutionControlTest.java \
+    jdk/jshell/ToolBasicTest.java \
+    jdk/jshell/ToolLocaleMessageTest.java \
      jdk/jshell/ToolReloadTest.java \
-    jdk/jshell/ToolLocaleMessageTest.java
+    jdk/jshell/UserJdiUserRemoteTest.java

  # No langtools tests are tier 3 either.
  tier3 =