msi/tests: Opening package with relative filename sometimes succeeds on Windows.

dlls/msi/tests/msi.c

@@ -1760,7 +1760,6 @@ static void test_MsiGetComponentPath(void)
     RegDeleteKeyA(compkey, "");
     RegCloseKey(prodkey);
     RegCloseKey(compkey);
-    RegCloseKey(installprop);
     DeleteFileA("C:\\imapath");
 
     lstrcpyA(keypath, "Software\\Classes\\Installer\\Products\\");
@@ -1923,9 +1922,6 @@ static void test_MsiGetProductCode(void)
     RegDeleteKeyA(prodkey, "");
     RegCloseKey(prodkey);
 
-    RegDeleteKeyA(prodkey, "");
-    RegCloseKey(prodkey);
-
     lstrcpyA(keypath, "Software\\Microsoft\\Installer\\Products\\");
     lstrcatA(keypath, prod_squashed);
 
@@ -7368,9 +7364,12 @@ static void test_MsiOpenProduct(void)
     /* LocalPackage has just the package name */
     hprod = 0xdeadbeef;
     r = MsiOpenProductA(prodcode, &hprod);
-    ok(r == ERROR_INSTALL_PACKAGE_OPEN_FAILED,
-       "Expected ERROR_INSTALL_PACKAGE_OPEN_FAILED, got %d\n", r);
-    ok(hprod == 0xdeadbeef, "Expected hprod to be unchanged\n");
+    ok(r == ERROR_INSTALL_PACKAGE_OPEN_FAILED || r == ERROR_SUCCESS,
+       "Expected ERROR_INSTALL_PACKAGE_OPEN_FAILED or ERROR_SUCCESS, got %d\n", r);
+    if (r == ERROR_SUCCESS)
+        MsiCloseHandle(hprod);
+    else
+        ok(hprod == 0xdeadbeef, "Expected hprod to be unchanged\n");
 
     lstrcpyA(val, path);
     lstrcatA(val, "\\winetest.msi");