Remove uniq on warnings that confused output

bf4 · bf4 · commit a8e9bb1c14cf · 2015-08-26T09:19:36.000-05:00
diff --git a/test/capture_warnings.rb b/test/capture_warnings.rb
@@ -20,7 +20,7 @@ def before_tests
 
   def after_tests
     stderr_file.rewind
-    lines = stderr_file.read.split("\n").uniq
+    lines = stderr_file.read.split("\n")
     stderr_file.close!
 
     $stderr.reopen(STDERR)
