Fixed two missed unit tests that were explicitly checking the previous error messages

Author: pimterry

src/test/java/org/junit/tests/experimental/theories/TestedOnSupplierTest.java

@@ -21,7 +21,7 @@ public void foo(@TestedOn(ints = {1}) int x) {
     public void descriptionStatesParameterName() throws Exception {
         TestedOnSupplier supplier = new TestedOnSupplier();
         List<PotentialAssignment> assignments = supplier.getValueSources(signatureOfFoo());
-        assertThat(assignments.get(0).getDescription(), is("ints"));
+        assertThat(assignments.get(0).getDescription(), is("ints: 1"));
     }
 
     private ParameterSignature signatureOfFoo() throws NoSuchMethodException {

src/test/java/org/junit/tests/experimental/theories/runner/UnsuccessfulWithDataPointFields.java

@@ -61,7 +61,7 @@ public void everythingIsZero(int x, int y) {
     @Test
     public void reportBadParams() throws Exception {
         assertThat(testResult(DoesntUseParams.class),
-                hasSingleFailureContaining("everythingIsZero(ONE, ONE)"));
+                hasSingleFailureContaining("everythingIsZero(ONE: 1, ONE: 1)"));
     }
 
     @RunWith(Theories.class)