Fix a typo

Change-Id: I27b925be030e9e6ee8ae49dc13f39accec996d7e
diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
index 89913fa..6d39d92 100644
--- a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOTests.java
@@ -140,7 +140,7 @@
             final int candidateCodePoint = (int)(20 + r % (0x10FFFF - 20));
             // Code points between 0xD800 and 0xDFFF are not valid.
             if (candidateCodePoint >= 0xD800 && candidateCodePoint <= 0xDFFF) continue;
-            builder.appendCodePoint(candidadeCodePoint);
+            builder.appendCodePoint(candidateCodePoint);
             --count;
         }
         return builder.toString();