Tweak test.

Author: cristianoc

analysis/tests/src/Hover.res

@@ -122,5 +122,5 @@ let arity0a = (. ()) => {
 let arity0b = (. (), . ()) => 3
 //  ^hov
 
-let arity0c = (. (), . ()) => [3]
+let arity0c = (. (), ()) => 3
 //  ^hov

analysis/tests/src/expected/Hover.res.txt

@@ -77,5 +77,5 @@ Hover tests/src/Hover.res 121:4
 {"contents": "```rescript\n(.) => (.) => int\n```"}
 
 Hover tests/src/Hover.res 124:4
-{"contents": "```rescript\n(.) => (.) => array<int>\n```"}
+{"contents": "```rescript\n(. unit, unit) => int\n```"}