[text_parser_xml.py] Add Test for ignore_errors Mode

Including sample file.

Related to issue #276.

Author: fschrader1992

test/resources/ignore_errors.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet  type="text/xsl" href="odmlTerms.xsl"?>
+<?xml-stylesheet  type="text/xsl" href="odml.xsl"?>
+<odML version="1.1">
+    <author>D. N. Adams</author>
+    <repository>http://portal.g-node.org/odml/terminologies/v1.1/terminologies.xml</repository>
+    <section>
+        <property>
+            <type>int</type>
+            <uncertainty>[zergrve sdic, 1]</uncertainty>
+            <value>["string 1", "string 2"]</value>
+            <reference>The Hitchhiker's guide to the Galaxy (novel)</reference>
+            <id>wrongid</id>
+            <name>NoCrewMembers</name>
+            <definition>Number of crew members</definition>
+        </property>
+        <type>crew</type>
+        <definition>Information on the crew</definition>
+        <id>0f96a050-2d9b-498f-a532-fbfcc6aae55e</id>
+        <name>TheCrew</name>
+        <section>
+            <property>
+                <type>string</type>
+                <value>[1, 2]</value>
+                <id>wrongid2</id>
+                <name>Nickname</name>
+                <definition>Nickname(s) of the subject</definition>
+            </property>
+            <type>crew/person</type>
+            <definition>Information on Arthur Dent</definition>
+            <id>1d6469b5-5322-408b-916e-3224b7a22008</id>
+        </section>
+    </section>
+    <date>1979-10-12</date>
+    <id>79b613eb-a256-46bf-84f6-207df465b8f7</id>
+    <version>new version</version>
+</odML>

test/test_parser_xml.py

@@ -12,6 +12,7 @@ def setUp(self):
         self.basepath = os.path.join(dir_path, "resources")
 
         self.xml_reader = xmlparser.XMLReader()
+        self.xml_reader_ignore = xmlparser.XMLReader(ignore_errors=True)
 
     def test_invalid_root(self):
         filename = "invalid_root.xml"
@@ -36,3 +37,9 @@ def test_invalid_version(self):
 
         with self.assertRaises(InvalidVersionException):
             _ = self.xml_reader.from_file(os.path.join(self.basepath, filename))
+
+    def test_ignore_errors(self):
+        filename = "ignore_errors.xml"
+
+        doc = self.xml_reader_ignore.from_file(os.path.join(self.basepath, filename))
+        doc.pprint()