adjust test and restore dropped default

includes/class-solrpower-api.php

@@ -129,7 +129,8 @@ function submit_schema() {
 		 * wp-content/uploads/solr-for-wordpress-on-pantheon/schema.xml
 		 * and can be overridden with the filter 'solr_power_customer_schema_file_path'.
 		*/
-
+
+		$schema = SOLR_POWER_PATH . '/schema.xml';
 		$custom_schema_file_path = self::custom_schema_file_path();
 
 		if ( file_exists( $custom_schema_file_path ) ) {
@@ -149,11 +150,11 @@ function submit_schema() {
 		}
 
 		if ( ! file_exists( $schema ) ) {
-			return $schema . ' does not exist.';
+			return "Schema '" . $schema . "' does not exist.";
 		}
 
 		if ( ! file_exists( $client_cert ) ) {
-			return $client_cert . ' does not exist.';
+			return "Client cert '" . $client_cert . "' does not exist.";
 		}
 
 		$file = fopen( $schema, 'r' );

tests/behat/solr-power.feature

@@ -11,11 +11,11 @@ Feature: Solr Power plugin
     When I go to "/wp-admin/options-general.php?page=solr-power"
     When I should see "Successful" in the "#solr_info" element
 
-  Scenario: I see the default schema path in the action dashboard
-    When I go to "/wp-admin/admin.php?page=solr-power#top#solr_action"
-    Then I should see "To use a custom schema.xml, upload it to the /code/wp-content/uploads/solr-for-wordpress-on-pantheon/ directory." in the "#solr_action" element
-
   Scenario: I can submit default schema
     When I go to "/wp-admin/admin.php?page=solr-power#top#solr_action"
     And I press "s4wp_repost_schema"
     Then I should see "Schema Upload Success: 200" in the "#message" element
+
+  Scenario: I see the default schema path in the action dashboard
+    When I go to "/wp-admin/admin.php?page=solr-power#top#solr_action"
+    Then I should see "To use a custom schema.xml, upload it to the /code/wp-content/uploads/solr-for-wordpress-on-pantheon/ directory."