fix test

Author: robertcoltheart

src/Machine.Specifications.Should.Specs/ShouldBeLikeSpecs.cs

@@ -414,7 +414,8 @@ public class Dummy
             public int[] Prop1 { get; set; }
         }
 
-        Establish context = () => obj1 = new Dummy { Prop1 = new[] { 1, 1, 1 } };
+        Establish context = () =>
+            obj1 = new Dummy { Prop1 = new[] { 1, 1, 1 } };
 
         class and_the_objects_are_similar
         {
@@ -466,7 +467,7 @@ class and_the_objects_are_different_and_have_null_values
                 exception.ShouldBeOfExactType<SpecificationException>();
 
             It should_contain_message = () =>
-                exception.Message.ShouldEqual(
+                exception.Message.Trim().ShouldEqual(
                     """
                     "Prop1":
                       Expected: [null]
@@ -476,7 +477,7 @@ class and_the_objects_are_different_and_have_null_values
                       [1],
                       [1]
                     }
-                    """);
+                    """.Trim());
         }
 
         class and_the_objects_are_different_and_the_actual_object_has_a_null_value