Rename all testdata loading files to conform to a single naming scheme

The scheme is:
- loadBytes: returns a ByteSource of the data
- loadFile: returns a string using UTF8 encoding, optionally applying
  substitutions

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=177606406

javatests/google/registry/whois/WhoisTestData.java

@@ -0,0 +1,29 @@
+// Copyright 2017 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.whois;
+
+import google.registry.testing.TestDataHelper;
+
+/** Test helper methods for the whois package. */
+final class WhoisTestData {
+
+  /**
+   * Loads test data from file in {@code testdata/} directory, "fixing" newlines to have the ending
+   * that WHOIS requires.
+   */
+  static String loadFile(String filename) {
+    return TestDataHelper.loadFile(WhoisTestData.class, filename).replaceAll("\r?\n", "\r\n");
+  }
+}