Improve stream window test

The identifier for the dropping stream test was misleading, assuming
it came from copy paste.

Author: cosineblast

test/manifold/stream_test.clj

@@ -468,15 +468,15 @@
 (deftest test-window-streams
   (testing "dropping-stream"
     (let [s (s/->source (range 11))
-          sliding-s (s/dropping-stream 10 s)]
+          dropping-s (s/dropping-stream 10 s)]
       (is (= (range 10)
-             (s/stream->seq sliding-s)))))
+             (s/stream->seq dropping-s)))))
 
   (testing "sliding-stream"
     (let [s (s/->source (range 11))
           sliding-s (s/sliding-stream 10 s)]
       (is (= (range 1 11)
-             (s/stream->seq sliding-s)))))  )
+             (s/stream->seq sliding-s))))))
 
 ;;;