Fix bug introduced in 8b1e76a1.

The unitary tests file was renamed, but his output file wasn't.
(cherry picked from commit bb1353e4)

tests/run_all_unitary_tests.m

@@ -29,9 +29,9 @@ end
 
 cd(getenv('TOP_TEST_DIR'));
 if isoctave
-    fid = fopen('run_unitary_tests.o.trs', 'w+');
+    fid = fopen('run_all_unitary_tests.o.trs', 'w+');
 else
-    fid = fopen('run_unitary_tests.m.trs', 'w+');
+    fid = fopen('run_all_unitary_tests.m.trs', 'w+');
 end
 if length(failedtests) > 0
   fprintf(fid,':test-result: FAIL\n');