MAGETWO-32028: updated theme.xml test files

dev/tests/integration/testsuite/Magento/Email/Model/_files/design/adminhtml/test_default/composer.json

-{
-    "name": "magento/theme-adminhtml-test_default",
-    "description": "N/A",
-    "require": {
-        "php": "~5.4.11|~5.5.0",
-        "magento/framework": "0.1.0-alpha103",
-        "magento/magento-composer-installer": "*"
-    },
-    "type": "magento2-theme",
-    "version": "0.1.0"
-}

dev/tests/integration/testsuite/Magento/Email/Model/_files/design/adminhtml/test_default/theme.xml

@@ -6,4 +6,5 @@
 -->
 <theme xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../../../../../lib/internal/Magento/Framework/Config/etc/theme.xsd">
     <title>Default</title>
+    <version>0.1.0</version>
 </theme>

dev/tests/integration/testsuite/Magento/Email/Model/_files/design/frontend/test_default/composer.json

-{
-    "name": "magento/theme-frontend-test_default",
-    "description": "N/A",
-    "require": {
-        "php": "~5.4.11|~5.5.0",
-        "magento/framework": "0.1.0-alpha103",
-        "magento/magento-composer-installer": "*"
-    },
-    "type": "magento2-theme",
-    "version": "0.1.0"
-}

dev/tests/integration/testsuite/Magento/Email/Model/_files/design/frontend/test_default/theme.xml

@@ -6,4 +6,5 @@
 -->
 <theme xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../../../../../lib/internal/Magento/Framework/Config/etc/theme.xsd">
     <title>Default</title>
+    <version>0.1.0</version>
 </theme>