SampleTest::testB with data set "bool" (false) should be true Failed asserting that false matches expected true. /untitled/tests/SampleTest.php:18 SampleTest::testC with data set #1 (0) should be true Failed asserting that 0 matches expected true. /untitled/tests/SampleTest.php:34 SampleTest::testC with data set #2 ('') should be true Failed asserting that '' matches expected true. /untitled/tests/SampleTest.php:34