Reset key mappings for each test

src/com/maddyhome/idea/vim/group/KeyGroup.java

@@ -130,6 +130,10 @@ public class KeyGroup {
     return mapping;
   }
 
+  public void resetKeyMappings() {
+    keyMappings.clear();
+  }
+
   /**
    * Returns the root of the key mapping for the given mapping mode
    *

test/org/jetbrains/plugins/ideavim/VimTestCase.java

@@ -53,6 +53,7 @@ public abstract class VimTestCase extends UsefulTestCase {
     myFixture.setTestDataPath(getTestDataPath());
     KeyHandler.getInstance().fullReset(myFixture.getEditor());
     Options.getInstance().resetAllOptions();
+    VimPlugin.getKey().resetKeyMappings();
   }
 
   protected String getTestDataPath() {