diff --git a/tests/unit/zip_test.cpp b/tests/unit/zip_test.cpp
index b617446..4972946 100644
--- a/tests/unit/zip_test.cpp
+++ b/tests/unit/zip_test.cpp
@@ -16,78 +16,69 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <pthread.h>
 #include <unistd.h>
 
 #include <memory>
 #include <vector>
 
 #include <android-base/file.h>
-#include <android-base/stringprintf.h>
-#include <android-base/unique_fd.h>
 #include <android-base/test_utils.h>
 #include <gtest/gtest.h>
 #include <otautil/SysUtil.h>
 #include <otautil/ZipUtil.h>
 #include <ziparchive/zip_archive.h>
 
-static const std::string DATA_PATH(getenv("ANDROID_DATA"));
-static const std::string TESTDATA_PATH("/recovery/testdata/");
+#include "common/test_constants.h"
 
-static const std::vector<uint8_t> kATxtContents {
-    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
-    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
-    '\n'
-};
+static const std::string kATxtContents("abcdefghabcdefgh\n");
+static const std::string kBTxtContents("abcdefgh\n");
 
-static const std::vector<uint8_t> kBTxtContents {
-    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
-    '\n'
-};
+TEST(ZipTest, ExtractPackageRecursive) {
+  std::string zip_path = from_testdata_base("ziptest_valid.zip");
+  ZipArchiveHandle handle;
+  ASSERT_EQ(0, OpenArchive(zip_path.c_str(), &handle));
 
-TEST(otazip, ExtractPackageRecursive) {
-    TemporaryDir td;
-    ASSERT_NE(td.path, nullptr);
-    ZipArchiveHandle handle;
-    std::string zip_path = DATA_PATH + TESTDATA_PATH + "/ziptest_valid.zip";
-    ASSERT_EQ(0, OpenArchive(zip_path.c_str(), &handle));
-    // Extract the whole package into a temp directory.
-    ExtractPackageRecursive(handle, "", td.path, nullptr, nullptr);
-    // Make sure all the files are extracted correctly.
-    std::string path(td.path);
-    android::base::unique_fd fd(open((path + "/a.txt").c_str(), O_RDONLY));
-    ASSERT_NE(fd, -1);
-    std::vector<uint8_t> read_data;
-    read_data.resize(kATxtContents.size());
-    // The content of the file is the same as expected.
-    ASSERT_TRUE(android::base::ReadFully(fd.get(), read_data.data(), read_data.size()));
-    ASSERT_EQ(0, memcmp(read_data.data(), kATxtContents.data(), kATxtContents.size()));
+  // Extract the whole package into a temp directory.
+  TemporaryDir td;
+  ASSERT_NE(nullptr, td.path);
+  ExtractPackageRecursive(handle, "", td.path, nullptr, nullptr);
 
-    fd.reset(open((path + "/b.txt").c_str(), O_RDONLY));
-    ASSERT_NE(fd, -1);
-    fd.reset(open((path + "/b/c.txt").c_str(), O_RDONLY));
-    ASSERT_NE(fd, -1);
-    fd.reset(open((path + "/b/d.txt").c_str(), O_RDONLY));
-    ASSERT_NE(fd, -1);
-    read_data.resize(kBTxtContents.size());
-    ASSERT_TRUE(android::base::ReadFully(fd.get(), read_data.data(), read_data.size()));
-    ASSERT_EQ(0, memcmp(read_data.data(), kBTxtContents.data(), kBTxtContents.size()));
+  // Make sure all the files are extracted correctly.
+  std::string path(td.path);
+  ASSERT_EQ(0, access((path + "/a.txt").c_str(), O_RDONLY));
+  ASSERT_EQ(0, access((path + "/b.txt").c_str(), O_RDONLY));
+  ASSERT_EQ(0, access((path + "/b/c.txt").c_str(), O_RDONLY));
+  ASSERT_EQ(0, access((path + "/b/d.txt").c_str(), O_RDONLY));
+
+  // The content of the file is the same as expected.
+  std::string content1;
+  ASSERT_TRUE(android::base::ReadFileToString(path + "/a.txt", &content1));
+  ASSERT_EQ(kATxtContents, content1);
+
+  std::string content2;
+  ASSERT_TRUE(android::base::ReadFileToString(path + "/b/d.txt", &content2));
+  ASSERT_EQ(kBTxtContents, content2);
 }
 
-TEST(otazip, OpenFromMemory) {
-    MemMapping map;
-    std::string zip_path = DATA_PATH + TESTDATA_PATH + "/ziptest_dummy-update.zip";
-    ASSERT_EQ(0, sysMapFile(zip_path.c_str(), &map));
-    // Map an update package into memory and open the archive from there.
-    ZipArchiveHandle handle;
-    ASSERT_EQ(0, OpenArchiveFromMemory(map.addr, map.length, zip_path.c_str(), &handle));
-    static constexpr const char* BINARY_PATH = "META-INF/com/google/android/update-binary";
-    ZipString binary_path(BINARY_PATH);
-    ZipEntry binary_entry;
-    // Make sure the package opens correctly and its entry can be read.
-    ASSERT_EQ(0, FindEntry(handle, binary_path, &binary_entry));
-    TemporaryFile tmp_binary;
-    ASSERT_NE(-1, tmp_binary.fd);
-    ASSERT_EQ(0, ExtractEntryToFile(handle, &binary_entry, tmp_binary.fd));
+TEST(ZipTest, OpenFromMemory) {
+  MemMapping map;
+  std::string zip_path = from_testdata_base("ziptest_dummy-update.zip");
+  ASSERT_EQ(0, sysMapFile(zip_path.c_str(), &map));
+
+  // Map an update package into memory and open the archive from there.
+  ZipArchiveHandle handle;
+  ASSERT_EQ(0, OpenArchiveFromMemory(map.addr, map.length, zip_path.c_str(), &handle));
+
+  static constexpr const char* BINARY_PATH = "META-INF/com/google/android/update-binary";
+  ZipString binary_path(BINARY_PATH);
+  ZipEntry binary_entry;
+  // Make sure the package opens correctly and its entry can be read.
+  ASSERT_EQ(0, FindEntry(handle, binary_path, &binary_entry));
+
+  TemporaryFile tmp_binary;
+  ASSERT_NE(-1, tmp_binary.fd);
+  ASSERT_EQ(0, ExtractEntryToFile(handle, &binary_entry, tmp_binary.fd));
+
+  sysReleaseMap(&map);
 }