Rename filter to InvalidXmlCharacterFilter

Author: w3stling

src/main/java/com/apptasticsoftware/rssreader/filter/RemoveInvalidCharacterFeedFilter.java renamed to src/main/java/com/apptasticsoftware/rssreader/filter/InvalidXmlCharacterFilter.java

@@ -11,7 +11,7 @@
  * that any characters not allowed in XML 1.0 are filtered out before parsing.
  * </p>
  */
-public class RemoveInvalidCharacterFeedFilter implements FeedFilter {
+public class InvalidXmlCharacterFilter implements FeedFilter {
 
     /**
      * Filters the provided XML feed stream by removing invalid XML characters.

src/test/java/com/apptasticsoftware/integrationtest/FeedFilterTest.java

@@ -0,0 +1,27 @@
+package com.apptasticsoftware.integrationtest;
+
+import com.apptasticsoftware.rssreader.RssReader;
+import com.apptasticsoftware.rssreader.filter.InvalidXmlCharacterFilter;
+import org.junit.jupiter.api.Test;
+
+import java.io.InputStream;
+import java.util.stream.Collectors;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class FeedFilterTest {
+
+    @Test
+    void testInvalidXmlCharacter0x6() {
+        var fileInputSteam = fromFile("rss-invalid-xml-character-0x6.xml");
+        var list = new RssReader()
+                .addFeedFilter(new InvalidXmlCharacterFilter())
+                .read(fileInputSteam)
+                .collect(Collectors.toList());
+        assertEquals(25, list.size());
+    }
+
+    private InputStream fromFile(String fileName) {
+        return getClass().getClassLoader().getResourceAsStream(fileName);
+    }
+}

src/test/java/com/apptasticsoftware/integrationtest/RssReaderIntegrationTest.java

@@ -1,7 +1,6 @@
 package com.apptasticsoftware.integrationtest;
 
 import com.apptasticsoftware.rssreader.*;
-import com.apptasticsoftware.rssreader.filter.RemoveInvalidCharacterFeedFilter;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
@@ -600,16 +599,6 @@ void testUserAgent() throws IOException {
         assertTrue(list.size() > 10);
     }
 
-    @Test
-    void testBadXmlCharacter0x6() {
-        var fileInputSteam = fromFile("rss-invalid-xml-character-0x6.xml");
-        var list = new RssReader()
-                .addFeedFilter(new RemoveInvalidCharacterFeedFilter())
-                .read(fileInputSteam)
-                .collect(Collectors.toList());
-        assertEquals(25, list.size());
-    }
-
     @Test
     void testHttpHeader() throws IOException {
         List<Item> items = new RssReader().addHeader("If-None-Match", "response_version1")