SiteParserTest: suppress false positive from findbugs.

Should be in fb63038 commit.

No code changes.

Author: php-coder

src/main/config/findbugs-filter.xml

@@ -30,4 +30,12 @@
 		-->
 		<Bug pattern="SE_NO_SERIALVERSIONID" />
 	</Match>
+	<Match>
+		<!--
+			Looks like a false positive.
+		-->
+		<Class name="ru.mystamps.web.util.extractor.SiteParserTest" />
+		<Method name="canParseShouldRequireNonNullUrl" />
+		<Bug pattern="NP_NULL_PARAM_DEREF_ALL_TARGETS_DANGEROUS" />
+	</Match>
 </FindBugsFilter>