Switching to names consistent with what gets generated by merb-gen.

rake test:models
rake test:controllers

merb_test_unit/lib/merb_test_unit/merbtasks.rb

@@ -1,15 +1,15 @@
-desc 'Run unit tests'
-Rake::TestTask.new('test_unit') do |t|
-  t.libs << 'test'
-  t.pattern = 'test/unit/*_test.rb'
-  t.verbose = true
-end
+namespace(:test) do
+  Rake::TestTask.new('models') do |t|
+    t.libs << 'test'
+    t.pattern = 'test/models/*_test.rb'
+    t.verbose = true
+  end
 
-desc 'Run functional tests'
-Rake::TestTask.new('test_functional') do |t|
-  t.libs << 'test'
-  t.pattern = 'test/functional/*_test.rb'
-  t.verbose = true
+  Rake::TestTask.new('controllers') do |t|
+    t.libs << 'test'
+    t.pattern = 'test/controllers/*_test.rb'
+    t.verbose = true
+  end
 end
 
 desc 'Run all tests'