diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index fe0454b..e620dcd 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,6 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="d7b1c0f9-5303-4042-90a5-05cecbda0e94" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/vim.iml" afterPath="$PROJECT_DIR$/.idea/vim.iml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.travis.yml" afterPath="$PROJECT_DIR$/.travis.yml" />
     </list>
@@ -37,8 +36,8 @@
       <file leaf-file-name=".travis.yml" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/.travis.yml">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.24056605">
-              <caret line="6" column="14" selection-start-line="6" selection-start-column="14" selection-end-line="6" selection-end-column="14" />
+            <state vertical-scroll-proportion="0.2806604">
+              <caret line="7" column="0" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -897,8 +896,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/.travis.yml">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.24056605">
-          <caret line="6" column="14" selection-start-line="6" selection-start-column="14" selection-end-line="6" selection-end-column="14" />
+        <state vertical-scroll-proportion="0.2806604">
+          <caret line="7" column="0" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
           <folding />
         </state>
       </provider>
diff --git a/.travis.yml b/.travis.yml
index 9b275c0..3aea36a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,9 @@ language: ruby
 rvm:
   - 2.2
 
+env:
+  - DB=pgsql
+
 services:
   - postgresql