Write up test for #15592

parse("[1] [2]") should throw a ParseError

(cherry picked from commit 55e016d)
ref #17988

Author: ranjanan

test/parse.jl

@@ -662,3 +662,8 @@ end
 
 # issue #17701
 @test expand(:(i==3 && i+=1)) == Expr(:error, "invalid assignment location \"==(i,3)&&i\"")
+
+# PR #15592
+let str = "[1] [2]"
+    @test_throws ParseError parse(str)
+end