Fix tests

lib/timber/integrations/rack/exception_event.rb

@@ -11,7 +11,6 @@ def call(env)
           begin
             status, headers, body = @app.call(env)
           rescue Exception => exception
-            puts "\n\n\n\nexception!\n\n\n"
             Config.instance.logger.fatal do
               Events::Exception.new(
                 name: exception.class.name,

lib/timber/logger.rb

@@ -195,7 +195,7 @@ def initialize(*args)
     end
 
     def formatter=(value)
-      if @dev.is_a?(Timber::LogDevices::HTTP)
+      if @logdev && @logdev.dev.is_a?(Timber::LogDevices::HTTP) && !value.is_a?(PassThroughFormatter)
         raise ArgumentError.new("The formatter cannot be changed when using the " +
           "Timber::LogDevices::HTTP log device. The PassThroughFormatter must be used for proper " +
           "delivery.")

spec/timber/logger_spec.rb

@@ -119,17 +119,17 @@
   end
 
   describe "#formatter=" do
-    let(:io) { StringIO.new }
-    let(:logger) { Timber::Logger.new(io) }
-
-    it "should not allow non Timber::Logger::Formatter formatters" do
-      logger.formatter = ::Logger::Formatter.new
-      expect(logger.formatter).to be_kind_of(::Timber::Logger::HybridFormatter)
+    it "should not allow changing the formatter when the device is HTTP" do
+      http_device = Timber::LogDevices::HTTP.new("api_key")
+      logger = Timber::Logger.new(http_device)
+      expect { logger.formatter = ::Logger::Formatter.new }.to raise_error(ArgumentError)
     end
 
-    it "should allow Timber::Logger::Formatter formatters" do
-      logger.formatter = ::Timber::Logger::JSONFormatter.new
-      expect(logger.formatter).to be_kind_of(::Timber::Logger::JSONFormatter)
+    it "should set the formatter" do
+      logger = Timber::Logger.new(STDOUT)
+      formatter = ::Logger::Formatter.new
+      logger.formatter = formatter
+      expect(logger.formatter).to eq(formatter)
     end
   end