Fix top level import quick fix test for JS

There's no longer any JS-only top level function that is not imported
by default, so I used a common non-imported top level function.

idea/testData/quickfix/autoImports/libraryTopLevelFunctionImportJsRuntime.kt

@@ -3,5 +3,5 @@
 package some
 
 fun testFun() {
-  <caret>jq()
+  <caret>cos(0.0)
 }

idea/testData/quickfix/autoImports/libraryTopLevelFunctionImportJsRuntime.kt.after

@@ -2,8 +2,8 @@
 // JS
 package some
 
-import jquery.jq
+import kotlin.math.cos
 
 fun testFun() {
-  jq()
+  cos(0.0)
 }