pw_kvs: Rename key_value_store_error_handling_test

Rename key_value_store_error_handling_test.cc to
key_value_store_binary_format_test.cc.

Change-Id: I81b55b4eaded6c21886e43f0d10d04303d6fa264
diff --git a/pw_kvs/BUILD b/pw_kvs/BUILD
index 4083387..571e44f 100644
--- a/pw_kvs/BUILD
+++ b/pw_kvs/BUILD
@@ -128,9 +128,9 @@
 )
 
 pw_cc_test(
-    name = "key_value_store_error_handling_test",
+    name = "key_value_store_binary_format_test",
     srcs = [
-        "key_value_store_error_handling_test.cc",
+        "key_value_store_binary_format_test.cc",
     ],
     deps = [
         ":crc16",