fixup

gnovm/pkg/test/filetest.go

@@ -103,11 +103,12 @@ func (opts *TestOptions) runFiletest(filename string, source []byte) (string, er
 		// The Error directive (and many others) will have one trailing newline,
 		// which is not in the output - so add it there.
 		match(errDirective, result.Error+"\n")
-	} else {
+	} else if result.Output != "" {
 		outputDirective := dirs.First(DirectiveOutput)
 		if outputDirective == nil {
 			return "", fmt.Errorf("unexpected output: \n%s", result.Output)
 		}
+	} else {
 		err = m.CheckEmpty()
 		if err != nil {
 			return "", fmt.Errorf("machine not empty after main: %w", err)

gnovm/tests/files/addressable_5.gno

@@ -9,3 +9,6 @@ func main() {
 	le := &binary.LittleEndian
 	println(&le.AppendUint16(b, 0)[0])
 }
+
+// Output:
+// &(0 <databyte> uint8)

gnovm/tests/files/type_alias.gno

@@ -6,7 +6,8 @@ import "gno.land/p/demo/uassert"
 type TestingT = uassert.TestingT
 
 func main() {
-	println(TestingT)
+	println("ok")
 }
 
-// No need for output; not panicking is passing.
+// Output:
+// ok

gnovm/tests/files/types/eql_0f49.gno

@@ -14,6 +14,8 @@ func main() {
 
 }
 
+// Output:
+// true
 // true
 // true
 // true