fixed nettest icon for GUI and added unpack tests

manualinstall/nettest

@@ -5,7 +5,6 @@ export PROG_URL="https://www.kpolyakov.spb.ru/prog/nettest/nettget.htm"
 export WH_WINE_USE="wine_x_tkg_10-0_amd64"
 export WINEPREFIX="nettest"
 export PROG_NAME="NetTest"
-export PROG_ICON="nettest"
 export BASE_PFX="none"
 export WINEARCH="win64"
 export INSTALL_DLL=""
@@ -18,7 +17,13 @@ if [[ -f "$ZIP_FILE" ]] \
 then
     prepair_wine
     PROG_PATH="$DRIVE_C/nettest"
-    unpack "$2" "$PROG_PATH"
+    if [[ $ZIP_FILE =~ "tests" ]] ; then
+        unpack "$2" "$PROG_PATH/tests"
+        print_info "Тесты $(basename "$ZIP_FILE") установлены."
+        exit 0
+    else
+        unpack "$2" "$PROG_PATH"
+    fi
 
     cp -fr "$PROG_PATH/fonts/"* "$DRIVE_C/windows/Fonts/"