Adds espresso testing for add_to_app/android_fullscreen (#323)

add_to_app/flutter_module/pubspec.lock

@@ -57,16 +57,40 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.3"
+  espresso:
+    dependency: "direct dev"
+    description:
+      name: espresso
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_driver:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  fuchsia_remote_debug_protocol:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   image:
     dependency: transitive
     description:
@@ -74,6 +98,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.4"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.0"
+  json_rpc_2:
+    dependency: transitive
+    description:
+      name: json_rpc_2
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   matcher:
     dependency: transitive
     description:
@@ -88,6 +126,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4"
   path:
     dependency: transitive
     description:
@@ -109,13 +154,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.12"
   provider:
     dependency: "direct main"
     description:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.0"
+    version: "4.0.2"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.2"
   quiver:
     dependency: transitive
     description:
@@ -184,6 +250,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  vm_service_client:
+    dependency: transitive
+    description:
+      name: vm_service_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.6+2"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   xml:
     dependency: transitive
     description:
@@ -193,3 +273,4 @@ packages:
     version: "3.5.0"
 sdks:
   dart: ">=2.6.0-dev <3.0.0"
+  flutter: ">=1.12.1 <2.0.0"