Update spec helpers to have source information

spec/helpers/errored_example.cr

@@ -5,6 +5,16 @@ class ErroredExample < Spectator::RunnableExample
     "ERROR"
   end
 
+  # Dummy source file.
+  def source_file
+    __FILE__
+  end
+
+  # Dummy source line number.
+  def source_line
+    __LINE__
+  end
+
   # Dummy instance.
   def instance
     nil

spec/helpers/failing_example.cr

@@ -5,6 +5,16 @@ class FailingExample < Spectator::RunnableExample
     "FAIL"
   end
 
+  # Dummy source file.
+  def source_file
+    __FILE__
+  end
+
+  # Dummy source line number.
+  def source_line
+    __LINE__
+  end
+
   # Dummy instance.
   def instance
     nil

spec/helpers/passing_example.cr

@@ -5,6 +5,16 @@ class PassingExample < Spectator::RunnableExample
     "PASS"
   end
 
+  # Dummy source file.
+  def source_file
+    __FILE__
+  end
+
+  # Dummy source line number.
+  def source_line
+    __LINE__
+  end
+
   # Dummy instance.
   def instance
     nil

spec/helpers/spy_example.cr

@@ -6,6 +6,16 @@ class SpyExample < Spectator::RunnableExample
     "SPY"
   end
 
+  # Dummy source file.
+  def source_file
+    __FILE__
+  end
+
+  # Dummy source line number.
+  def source_line
+    __LINE__
+  end
+
   # Dummy instance.
   def instance
     nil

spec/pending_example_spec.cr

@@ -5,6 +5,14 @@ class ConcretePendingExample < Spectator::PendingExample
     "PENDING_TEST_EXAMPLE"
   end
 
+  def source_file
+    __FILE__
+  end
+
+  def source_line
+    __LINE__
+  end
+
   def instance
     nil
   end