Fix orthography of GetTestLibRoot().

Change-Id: Ib052329b3ebced12a7e2d75b3628b33c7043e0d8
diff --git a/tests/cfi_test.cpp b/tests/cfi_test.cpp
index 4b061b3..5324c68 100644
--- a/tests/cfi_test.cpp
+++ b/tests/cfi_test.cpp
@@ -160,7 +160,7 @@
 // cfi_test_helper exports __cfi_check, which triggers CFI initialization at startup.
 TEST(cfi_test, early_init) {
 #if defined(__BIONIC__)
-  std::string helper = GetTestlibRoot() + "/cfi_test_helper";
+  std::string helper = GetTestLibRoot() + "/cfi_test_helper";
   chmod(helper.c_str(), 0755); // TODO: "x" lost in CTS, b/34945607
   ExecTestHelper eth;
   eth.SetArgs({ helper.c_str(), nullptr });
@@ -172,7 +172,7 @@
 // at startup.
 TEST(cfi_test, early_init2) {
 #if defined(__BIONIC__)
-  std::string helper = GetTestlibRoot() + "/cfi_test_helper2";
+  std::string helper = GetTestLibRoot() + "/cfi_test_helper2";
   chmod(helper.c_str(), 0755); // TODO: "x" lost in CTS, b/34945607
   ExecTestHelper eth;
   eth.SetArgs({ helper.c_str(), nullptr });