add batch tests in sub directory under /testdata

testdata/batch-tests/bad-test.md

@@ -0,0 +1,6 @@
+## Foo
+
+> **TL;DR:** Thingy!
+> More stuff
+
+Foo

testdata/batch-tests/good-test.md

@@ -0,0 +1,10 @@
+<!-- Space: BatchTests -->
+<!-- Title: Hello World -->
+<!-- Title: Good Test -->
+
+## Foo
+
+> **TL;DR:** Thingy!
+> More stuff
+
+Foo

testdata/batch-tests/invalid-test.md

@@ -0,0 +1,15 @@
+# a
+
+## b
+
+### c
+
+#### d
+
+##### e
+
+# f
+
+## g
+
+# This/is some_Heading.yml

testdata/batch-tests/valid-test.md

@@ -0,0 +1,19 @@
+<!-- Space: BatchTests -->
+<!-- Title: Hello World -->
+<!-- Title: Working Test -->
+
+# a
+
+## b
+
+### c
+
+#### d
+
+##### e
+
+# f
+
+## g
+
+# This/is some_Heading.yml