add tests for tests

meta.list

@@ -0,0 +1,3 @@
+./rere.py replay test.list
+./rere.py replay skip-fail.list
+./rere.py replay meta.list

meta.list.bi

@@ -0,0 +1,52 @@
+:i count 3
+:b shell 26
+./rere.py replay test.list
+:i returncode 0
+:b stdout 124
+REPLAYING: echo 'Hello, World'
+REPLAYING: echo 'Foo, bar'
+REPLAYING: echo 'Ur, mom'
+REPORT: 0 Skipped:
+REPORT: 0 failed:
+OK
+
+:b stderr 0
+
+:b shell 31
+./rere.py replay skip-fail.list
+:i returncode 1
+:b stdout 448
+REPLAYING: echo 'Hello, World'
+UNEXPECTED: stdout
+--- expected
++++ actual
+@@ -1 +1 @@
+-Hello, world
++Hello, World
+REPLAYING: echo 'Foo, bar, baz'
+NOT FOUND: shell command
+    COMMAND:   echo 'Foo, bar, baz'
+NOTE: You may want to do `./rere.py record skip-fail.list` to update skip-fail.list.bi
+NOTE: Skiping this shell
+REPLAYING: echo 'Ur, mom'
+REPORT: 1 Skipped:
+    SKIPPED: echo 'Foo, bar, baz'
+REPORT: 1 failed:
+    FAILED: echo 'Hello, World'
+
+:b stderr 0
+
+:b shell 26
+./rere.py replay meta.list
+:i returncode 0
+:b stdout 160
+REPLAYING: ./rere.py replay test.list
+REPLAYING: ./rere.py replay skip-fail.list
+REPLAYING: ./rere.py replay meta.list
+REPORT: 0 Skipped:
+REPORT: 0 failed:
+OK
+
+
+:b stderr 0
+