Add moreKeys helper method for unit test

Bug: 13017434
Change-Id: Icfaa4093686e2d8dec00d5acce894bfc6a2474b7
diff --git a/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java b/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
index d8d66c2..066bcc0 100644
--- a/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
+++ b/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
@@ -78,6 +78,12 @@
 
     // Helper method to create {@link ExpectedKey} array by joining {@link ExpectedKey},
     // {@link ExpectedKey} array, and {@link String}.
+    public static ExpectedKey[] moreKeys(final Object ... moreKeys) {
+        return joinKeys(moreKeys);
+    }
+
+    // Helper method to create {@link ExpectedKey} array by joining {@link ExpectedKey},
+    // {@link ExpectedKey} array, and {@link String}.
     public static ExpectedKey[] joinKeys(final Object ... keys) {
         final ArrayList<ExpectedKey> list = CollectionUtils.newArrayList();
         for (final Object key : keys) {
diff --git a/tests/src/com/android/inputmethod/keyboard/layout/tests/LayoutTestsBase.java b/tests/src/com/android/inputmethod/keyboard/layout/tests/LayoutTestsBase.java
index b967844..9c9f748 100644
--- a/tests/src/com/android/inputmethod/keyboard/layout/tests/LayoutTestsBase.java
+++ b/tests/src/com/android/inputmethod/keyboard/layout/tests/LayoutTestsBase.java
@@ -85,6 +85,12 @@
 
     // Helper method to create {@link ExpectedKey} array by joining {@link ExpectedKey},
     // {@link ExpectedKey} array, and {@link String}.
+    static ExpectedKey[] moreKeys(final Object ... moreKeys) {
+        return AbstractLayoutBase.joinKeys(moreKeys);
+    }
+
+    // Helper method to create {@link ExpectedKey} array by joining {@link ExpectedKey},
+    // {@link ExpectedKey} array, and {@link String}.
     static ExpectedKey[] joinKeys(final Object ... keys) {
         return AbstractLayoutBase.joinKeys(keys);
     }