fix test

packages/squiggle-lang/__tests__/Reducer/Reducer_Module/Reducer_Module_defineFFI_test.res

@@ -15,7 +15,8 @@ module FooImplementation = {
   // As this is a Rescript module, functions can use other functions in this module 
   // and in other stdLib modules implemented this way. 
   // Embedding function definitions in to switch statements is a bad practice 
-  // - to reduce line count or to   let fooNumber = 0.0
+  // - to reduce line count or to   
+  let fooNumber = 0.0
   let fooString = "Foo String"
   let fooBool = true
   let makeFoo = (a: string, b: string, _environment): string => `I am ${a}-foo and I am ${b}-foo`