switch to FBSnapShotTestCase

Author: Ryan Nystrom

Podfile

@@ -5,13 +5,6 @@ inhibit_all_warnings!
 workspace 'StyledTextKit'
 
 target 'Tests' do
-    pod 'Snap.swift', :git => 'https://github.com/skyweb07/Snap.swift.git', :branch => 'feature/fix_image_generation_for_directory_with_spaces'
+	use_frameworks!
+    pod 'iOSSnapshotTestCase'
 end
-
-# https://github.com/evgenyneu/Cosmos/issues/105#issuecomment-383402667
-post_install do |installer|
-    installer.pods_project.build_configurations.each do |config|
-        config.build_settings.delete('CODE_SIGNING_ALLOWED')
-        config.build_settings.delete('CODE_SIGNING_REQUIRED')
-    end
-end

Podfile.lock

@@ -1,22 +1,20 @@
 PODS:
-  - Snap.swift (0.2.2)
+  - iOSSnapshotTestCase (6.0.3):
+    - iOSSnapshotTestCase/SwiftSupport (= 6.0.3)
+  - iOSSnapshotTestCase/Core (6.0.3)
+  - iOSSnapshotTestCase/SwiftSupport (6.0.3):
+    - iOSSnapshotTestCase/Core
 
 DEPENDENCIES:
-  - Snap.swift (from `https://github.com/skyweb07/Snap.swift.git`, branch `feature/fix_image_generation_for_directory_with_spaces`)
+  - iOSSnapshotTestCase
 
-EXTERNAL SOURCES:
-  Snap.swift:
-    :branch: feature/fix_image_generation_for_directory_with_spaces
-    :git: https://github.com/skyweb07/Snap.swift.git
-
-CHECKOUT OPTIONS:
-  Snap.swift:
-    :commit: cea3ab786d1f9d7538363b33ec0e1c6cdb57b9c8
-    :git: https://github.com/skyweb07/Snap.swift.git
+SPEC REPOS:
+  https://github.com/cocoapods/specs.git:
+    - iOSSnapshotTestCase
 
 SPEC CHECKSUMS:
-  Snap.swift: 278be4849c3829e9a2425709de7319cae01195b7
+  iOSSnapshotTestCase: 944a73f6d9676302811a86c0cf35f0e6ef5ab2a0
 
-PODFILE CHECKSUM: 6b691d0cb1537b3777105f356bce0b0ad13a65af
+PODFILE CHECKSUM: 99cb3cf124245f4a0036e3f5a1414809234f4427
 
 COCOAPODS: 1.7.1