[test] updated test on overflow of fixed 'decode_size_limit_bytes' to not raise an error bu create an Event, tag it appropriately and slice the offending data into 'message' field

Author: andsel

spec/codecs/json_lines_spec.rb

@@ -131,9 +131,10 @@
         end
 
         it "should raise an error if the max bytes are exceeded" do
-          expect {
-            subject.decode(maximum_payload << "z")
-          }.to raise_error(java.lang.IllegalStateException, "input buffer full")
+          subject.decode(maximum_payload << "z") do |event|
+            expect(event.get("tags")).to include("_jsonparse_too_big_failure")
+            expect(event.get("message").size).to eq(decode_size_limit_bytes)
+          end
         end
       end