FUEL: fix the test that broke due to refactoring

extra/fuel/eval/eval-tests.factor

@@ -51,10 +51,10 @@ IN: fuel.eval.tests
 ] unit-test
 
 {
-    "(nil nil \"9\\n\")\n<~FUEL~>\n"
+    "(nil 9 \"\")\n<~FUEL~>\n"
 } [
     [
-        { "3 sq . " } "hi99"
-        { "math" "prettyprint" "kernel" } eval-in-context
+        { "3 sq" } "hi99"
+        { "math" "kernel" } eval-in-context
     ] with-string-writer
 ] unit-test

extra/fuel/fuel-tests.factor

@@ -28,6 +28,6 @@ IN: fuel.tests
         [ make-uses-restart is-suggested-restart? ] with-variable
 ] unit-test
 
-{ } [
+{ f } [
     { "kernel" } [ "\\ dup drop" eval( -- ) ] fuel-use-suggested-vocabs
 ] unit-test