my $test_out = run("$make test");
like( $test_out, qr/All tests successful/, 'make test' );
-is( $?, 0, ' exited normally' );
+is( $?, 0, ' exited normally' ) ||
+ diag $test_out;
# Test 'make test TEST_VERBOSE=1'
my $make_test_verbose = make_macro($make, 'test', TEST_VERBOSE => 1);
$test_out = run("$make_test_verbose");
like( $test_out, qr/ok \d+ - TEST_VERBOSE/, 'TEST_VERBOSE' );
like( $test_out, qr/All tests successful/, ' successful' );
-is( $?, 0, ' exited normally' );
+is( $?, 0, ' exited normally' ) ||
+ diag $test_out;
my $install_out = run("$make install");