Docx reader: Add tests for basic track changes

This is what seems like the sensible default: read in insertions, and
ignore deletions. In the future, it would be good if options were
available for either taking in deletions or keeping both in some
scriptable format.

tests/Tests/Readers/Docx.hs

@@ -122,5 +122,15 @@ tests = [ testGroup "inlines"
             "docx.codeblock.native"
 
           ]
+        , testGroup "track changes"
+          [ testCompare
+            "insert insertion (insertions only)"
+            "docx.track_changes_insertion.docx"
+            "docx.track_changes_insertion_only_ins.native"
+          , testCompare
+            "skip deletion (insertions only)"
+            "docx.track_changes_deletion.docx"
+            "docx.track_changes_deletion_only_ins.native"
+          ]
         ]
 

tests/docx.track_changes_deletion_only_ins.native

@@ -0,0 +1 @@
+[Para [Str "This",Space,Str "is",Space,Str "a",Space,Str "text",Space,Str "with",Space,Str "a",Space,Str "deletion."]]

tests/docx.track_changes_insertion_only_ins.native

@@ -0,0 +1 @@
+[Para [Str "This",Space,Str "is",Space,Str "a",Space,Str "text",Space,Str "with",Space,Str "two",Space,Str "exciting",Space,Str "insertions."]]