cleaned up the data folder in the tests

Signed-off-by: Peter Staar <taa@zurich.ibm.com>

tests/data/asciidoc/test_01.asciidoc

@@ -0,0 +1,25 @@
+= 1st Sample Document Title
+
+This is an abstract.
+
+== Section 1
+
+This is some introductory text in section 1.
+
+This spans multiple lines but should be treated
+as a single paragraph.
+    
+=== Subsection 1.1
+* First list item
+* Second list item
+
+This is some introductory text in section 1.1.
+
+- A dash list item
+    
+== Section 2
+This is some text in section 2.
+    
+|Header 1|Header 2|
+|Value 1|Value 2|
+|Value 3|Value 4|