import org.jetbrains.annotations.Nullable; import org.junit.*; public class AssumeNotNull { @Nullable private static String someString; public static void initialize() { someString = System.getProperty("some.property.name"); } public void testSomeStringStartsWithAbc() { Assume.assumeNotNull(someString); Assert.assertTrue(someString.startsWith("abc")); } public void testSomeStringStartsWithAbc2() { Assume.assumeNotNull("foo", someString, "bar"); Assert.assertTrue(someString.startsWith("abc")); } public void testNoAssumeSomeStringStartsWithAbc() { Assert.assertTrue(someString.startsWith("abc")); } }