Shorten ExpectationFailedError to ExpectationFailed

src/spectator/expectation.cr

@@ -13,13 +13,13 @@ module Spectator
 
     def to(matcher : Matchers::Matcher)
       unless matcher.match?(self)
-        raise ExpectationFailedError.new
+        raise ExpectationFailed.new
       end
     end
 
     def to_not(matcher : Matchers::Matcher)
       if matcher.match?(self)
-        raise ExpectationFailedError.new
+        raise ExpectationFailed.new
       end
     end
 

src/spectator/expectation_failed.cr

@@ -0,0 +1,4 @@
+module Spectator
+  class ExpectationFailed < Exception
+  end
+end

src/spectator/expectation_failed_error.cr

@@ -1,4 +0,0 @@
-module Spectator
-  class ExpectationFailedError < Exception
-  end
-end

src/spectator/runnable_example.cr

@@ -37,7 +37,7 @@ module Spectator
       case (error = result.error)
       when Nil
         SuccessfulExampleResult.new(self, result.elapsed)
-      when ExpectationFailedError
+      when ExpectationFailed
         FailedExampleResult.new(self, result.elapsed, error)
       else
         ErroredExampleResult.new(self, result.elapsed, error)