move fatalAssertion failure to a new file so it runs at the end

Author: mw-kapilg

sample/TheTruth.m

@@ -20,14 +20,5 @@ function testAssertionFailure(testCase)
             testCase.assertEqual(1+1, 11);
             testCase.assertEqual(1+1, 11);
         end
-
-        function testFatalAssertionFailure(testCase)
-            testCase.fatalAssertEqual(1+1, 11);
-        end
-
-        function testNotRun(testCase)
-            onetyone = 11;
-            testCase.verifyEqual(onetyone, 11);
-        end
     end
 end

sample/ValidationTest.m

@@ -0,0 +1,14 @@
+% Named ValidationTest to run at the end of the suite
+% because it contains a fatal assertion failure.
+classdef ValidationTest < matlab.unittest.TestCase
+    methods (Test)
+        function testFatalAssertionFailure(testCase)
+            testCase.fatalAssertEqual(1+1, 11);
+        end
+
+        function testNotRun(testCase)
+            onetyone = 11;
+            testCase.verifyEqual(onetyone, 11);
+        end
+    end
+end