Retrieve test data directory at run time

fpdfsdk/src/fpdf_dataavail_embeddertest.cpp

Index: fpdfsdk/src/fpdf_dataavail_embeddertest.cpp
diff --git a/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp b/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp
index ee4c3e6104cef6e2db32d16f50d1bad4ac5e1248..222fdc4be2c17927f8945d78017ee2361752099b 100644
--- a/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp
+++ b/fpdfsdk/src/fpdf_dataavail_embeddertest.cpp
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "../../testing/embedder_test.h"
 #include "public/fpdf_doc.h"
 #include "public/fpdfview.h"
+#include "testing/embedder_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class FPDFDataAvailEmbeddertest : public EmbedderTest {};
 
 TEST_F(FPDFDataAvailEmbeddertest, TrailerUnterminated) {
   // Document must load without crashing but is too malformed to be available.
-  EXPECT_FALSE(OpenDocument("testing/resources/trailer_unterminated.pdf"));
+  EXPECT_FALSE(OpenDocument("trailer_unterminated.pdf"));
   EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_));
 }
 
 TEST_F(FPDFDataAvailEmbeddertest, TrailerAsHexstring) {
   // Document must load without crashing but is too malformed to be available.
-  EXPECT_FALSE(OpenDocument("testing/resources/trailer_as_hexstring.pdf"));
+  EXPECT_FALSE(OpenDocument("trailer_as_hexstring.pdf"));
   EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_));
 }