schedsvc/tests: Deleting tasks & folders requires elevated privileges on Windows 7.

dlls/schedsvc/tests/Makefile.in

 TESTDLL   = schedsvc.dll
-IMPORTS   = rpcrt4 ole32
+IMPORTS   = advapi32 rpcrt4 ole32
 
 C_SRCS = \
 	atsvcapi.c \

dlls/schedsvc/tests/rpcapi.c

@@ -18,6 +18,7 @@
 
 #include <stdio.h>
 #include <windows.h>
+#include "winternl.h"
 #include <ole2.h>
 #include <rpcdce.h>
 #include <taskschd.h>
@@ -25,6 +26,37 @@
 
 #include "wine/test.h"
 
+static BOOL is_process_elevated(void)
+{
+    HANDLE token;
+    if (OpenProcessToken( GetCurrentProcess(), TOKEN_QUERY, &token ))
+    {
+        TOKEN_ELEVATION_TYPE type;
+        DWORD size;
+        BOOL ret;
+
+        ret = GetTokenInformation( token, TokenElevationType, &type, sizeof(type), &size );
+        CloseHandle( token );
+        return (ret && type == TokenElevationTypeFull);
+    }
+    return FALSE;
+}
+
+static BOOL check_win_version(int min_major, int min_minor)
+{
+    HMODULE hntdll = GetModuleHandleA("ntdll.dll");
+    NTSTATUS (WINAPI *pRtlGetVersion)(RTL_OSVERSIONINFOEXW *);
+    RTL_OSVERSIONINFOEXW rtlver;
+
+    rtlver.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
+    pRtlGetVersion = (void *)GetProcAddress(hntdll, "RtlGetVersion");
+    pRtlGetVersion(&rtlver);
+    return rtlver.dwMajorVersion > min_major ||
+           (rtlver.dwMajorVersion == min_major &&
+            rtlver.dwMinorVersion >= min_minor);
+}
+#define is_win8_plus() check_win_version(6, 2)
+
 extern handle_t schrpc_handle;
 
 static LONG CALLBACK rpc_exception_filter(EXCEPTION_POINTERS *ptrs)
@@ -143,6 +175,12 @@ START_TEST(rpcapi)
     hr = SchRpcDelete(L"", 0);
     ok(hr == E_ACCESSDENIED /* win7 */ || hr == E_INVALIDARG /* vista */, "expected E_ACCESSDENIED, got %#lx\n", hr);
 
+    if (!is_process_elevated() && !is_win8_plus())
+    {
+        win_skip("Skipping because deleting anything requires elevated privileges on Windows 7\n");
+        return;
+    }
+
     hr = SchRpcCreateFolder(L"\\Wine", NULL, 0);
     ok(hr == S_OK, "expected S_OK, got %#lx\n", hr);