Fix missing newlines at end of test data files

Author: AronNovak

tests/Rules/Classes/data/no-redundant-trait-use-single-trait.php

@@ -15,4 +15,4 @@ class SingleTraitUseClass
 
 	use SingleTrait;
 
-}
+}

tests/Rules/Classes/data/no-redundant-trait-use-transitive.php

@@ -27,4 +27,4 @@ class TransitiveRedundantTraitUseClass
 	use WrapperTrait;
 	use BaseTrait; // This should trigger an error (transitive redundancy)
 
-}
+}

tests/Rules/Classes/data/no-redundant-trait-use-valid.php

@@ -25,4 +25,4 @@ class ValidTraitUseClass
 	use IndependentTrait1;
 	use IndependentTrait2;
 
-}
+}

tests/Rules/Classes/data/no-redundant-trait-use.php

@@ -27,4 +27,4 @@ class RedundantTraitUseClass
 	use FooTrait;
 	use BarTrait; // This should trigger an error
 
-}
+}