Split TestEchoCommands.test into quiet and "loud" parts.

Author: dzhidzhoev

lldb/test/Shell/Settings/TestEchoCommands.test

@@ -1,10 +1,3 @@
 # RUN: %lldb -x -b -o 'settings set interpreter.echo-comment-commands true'  -s %S/Inputs/EchoCommandsTest.in | FileCheck %S/Inputs/EchoCommandsAll.out
 # RUN: %lldb -x -b -o 'settings set interpreter.echo-comment-commands false' -s %S/Inputs/EchoCommandsTest.in | FileCheck %S/Inputs/EchoCommandsNoComments.out
 # RUN: %lldb -x -b -o 'settings set interpreter.echo-commands false'         -s %S/Inputs/EchoCommandsTest.in | FileCheck %S/Inputs/EchoCommandsNone.out
-
-XFAIL: remote{{.*}}
-
-RUN: echo start >%t.file
-RUN: %lldb -x -b --source-quietly -s %S/Inputs/EchoCommandsTest.in >>%t.file
-RUN: echo done >>%t.file
-RUN: FileCheck  %S/Inputs/EchoCommandsQuiet.out <%t.file

lldb/test/Shell/Settings/TestEchoCommandsQuiet.test

@@ -0,0 +1,6 @@
+Can't mute platform select command.
+UNSUPPORTED: remote-linux
+RUN: echo start >%t.file
+RUN: %lldb -x -b --source-quietly -s %S/Inputs/EchoCommandsTest.in >>%t.file
+RUN: echo done >>%t.file
+RUN: FileCheck  %S/Inputs/EchoCommandsQuiet.out <%t.file