msh: create testsuite (based on hush one)
hush: add TODO (doesn't know ":" command)

diff --git a/shell/msh_test/msh-misc/tick.right b/shell/msh_test/msh-misc/tick.right
new file mode 100644
index 0000000..6ed281c
--- /dev/null
+++ b/shell/msh_test/msh-misc/tick.right
@@ -0,0 +1,2 @@
+1
+1
diff --git a/shell/msh_test/msh-misc/tick.tests b/shell/msh_test/msh-misc/tick.tests
new file mode 100755
index 0000000..1f749a9
--- /dev/null
+++ b/shell/msh_test/msh-misc/tick.tests
@@ -0,0 +1,4 @@
+true
+false; echo `echo $?`
+true
+{ false; echo `echo $?`; }