[CredentialsTest] Remove captureDisplay

Replace ScreenCapture#captureDisplay with captureLayers.
CredentialsTest#CaptureLayersTest already uses
captureLayers, which makes CaptureTest unncessary. Test
with the full path because of multiple files with the same
test name.

Bug: b/293445881
Test: atest services/surfaceflinger/tests/Credentials_test.cpp
Change-Id: Ief4db33ab2a437cd8aec0ee35bac60ae966a4b94
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
index 69e9a16..822ac4d 100644
--- a/services/surfaceflinger/tests/Credentials_test.cpp
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -275,18 +275,6 @@
     ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
 }
 
-TEST_F(CredentialsTest, CaptureTest) {
-    const auto display = getFirstDisplayToken();
-    std::function<status_t()> condition = [=]() {
-        sp<GraphicBuffer> outBuffer;
-        DisplayCaptureArgs captureArgs;
-        captureArgs.displayToken = display;
-        ScreenCaptureResults captureResults;
-        return ScreenCapture::captureDisplay(captureArgs, captureResults);
-    };
-    ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
-}
-
 TEST_F(CredentialsTest, CaptureLayersTest) {
     setupBackgroundSurface();
     sp<GraphicBuffer> outBuffer;