travis: Diff output, hopefully this works.

.travis.yml

@@ -14,7 +14,4 @@ script:
   - make -C unix-cpy CC=gcc-4.7
   - make -C bare-arm
   - make -C stmhal
-  - cd tests && MICROPY_CPYTHON3=python3.3 ./run-tests
-  - cat tests/memoryerror.py.exp
-  - cat tests/memoryerror.py.out
-  - cd tests && for exp in *.exp; do testbase=$(basename $exp .exp); echo -e "\nFAILURE $testbase"; diff $testbase.exp $testbase.out; done
+  - (cd tests && MICROPY_CPYTHON3=python3.3 ./run-tests || for exp in *.exp; do testbase=$(basename $exp .exp); echo -e "\nFAILURE $testbase"; diff $testbase.exp $testbase.out; done && exit 1)

tests/run-tests

@@ -70,8 +70,6 @@ for test_file in tests:
         rm_f(os.path.basename(test_file + ".exp"))
         rm_f(os.path.basename(test_file + ".out"))
     else:
-        print('EXP|{}|'.format(output_expected))
-        print('OUT|{}|'.format(output_mupy))
         with open(os.path.basename(test_file + ".exp"), "w") as f:
             f.write(str(output_expected, "ascii"))
         with open(os.path.basename(test_file + ".out"), "w") as f: