Fix broken tests: add missing fail() calls

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1066297 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/commons/math/analysis/solvers/BrentSolverTest.java

@@ -149,6 +149,7 @@ public final class BrentSolverTest {
 
         try {
             result = solver.solve(5, f, 0.85, 5);
+            Assert.fail("Expected TooManyEvaluationsException");
         } catch (TooManyEvaluationsException e) {
             // Expected.
         }

src/test/java/org/apache/commons/math/linear/FieldLUDecompositionImplTest.java

@@ -78,6 +78,7 @@ public class FieldLUDecompositionImplTest extends TestCase {
                     { Fraction.ZERO, Fraction.ZERO },
                     { Fraction.ZERO, Fraction.ZERO }
             }));
+            fail("Expected NonSquareMatrixException");
         } catch (NonSquareMatrixException ime) {
             // expected behavior
         }