nitunit: testsuite+diff do not info missing diff if raw_output.is_empty

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/testing/testing_suite.nit b/src/testing/testing_suite.nit
index 309393c..0137ef3 100644 (file)
--- a/src/testing/testing_suite.nit
+++ b/src/testing/testing_suite.nit
@@ -288,7 +288,7 @@ class TestCase
                                                error = "Difference with expected output: diff -u {sav} {res_name}.out1"
                                                toolcontext.modelbuilder.failed_tests += 1
                                        end
-                               else
+                               else if not raw_output.is_empty then
                                        toolcontext.info("No diff: {sav} not found", 2)
                                end
                        end