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+Assertions
+https://howtodoinjava.com/junit-5/junit-5-assertions-examples/
+
+void testCase()
+{
+    //Test will pass
+    Assertions.assertEquals(4, Calculator.add(2, 2));
+     
+    //Test will fail
+    Assertions.assertEquals(3, Calculator.add(2, 2), "Calculator.add(2, 2) test failed");
+     
+    //Test will fail
+    Supplier<String> messageSupplier  = ()-> "Calculator.add(2, 2) test failed";
+    Assertions.assertEquals(3, Calculator.add(2, 2), messageSupplier);
+}
+
+
+
+Assumptions
+https://howtodoinjava.com/junit-5/junit-5-assumptions-examples/
+
+    @Test
+    void testOnDev()
+    {
+        System.setProperty("ENV", "DEV");
+        Assumptions.assumeTrue("DEV".equals(System.getProperty("ENV")));
+        //remainder of test will proceed
+    }
+
+
+Tags
+https://howtodoinjava.com/junit-5/junit-5-tag-annotation-example/
+
+@Tag("development")
+public class ClassATest
+{
+    @Test
+    @Tag("userManagement")
+    void testCaseA(TestInfo testInfo) {
+    }
+}