Minor changes after Poznan (with a broken test)
diff --git a/src/test/resources/queries/bsp-class.json b/src/test/resources/queries/bsp-class.json
new file mode 100644
index 0000000..8125e6a
--- /dev/null
+++ b/src/test/resources/queries/bsp-class.json
@@ -0,0 +1 @@
+{"@context":{"korap":"http://korap.ids-mannheim.de/ns/query","@language":"de","operands":{"@id":"korap:operands","@container":"@list"},"relation":{"@id":"korap:relation","@type":"korap:relation#types"},"class":{"@id":"korap:class","@type":"xsd:integer"},"query":"korap:query","filter":"korap:filter","meta":"korap:meta"},"query":{"@type":"korap:group","class":"0","operands":[{"@type":"korap:sequence","operands":[{"@type":"korap:token","@value":{"@type":"korap:term","@value":"tt/p:ADJA","relation":"="}},{"@type":"korap:token","@value":{"@type":"korap:term","@value":"mate/p:NN","relation":"="}}]}]},"meta":[{"@type":"korap:meta-filter","@value":{"@type":"korap:term","@field":"korap:field#corpusID","@value":"WPD"}}],"startPage":1,"count":50,"context":{"left":["token",6],"right":["token",6]}}