updated testcase for findBaseDir with winavrdude zip content

Author: Roberto Sora

tools/download_test.go

@@ -18,7 +18,15 @@ func Test_findBaseDir(t *testing.T) {
 		{[]string{"bin/bossac"}, "bin/"},
 		{[]string{"bin/", "bin/bossac"}, "bin/"},
 		{[]string{"bin/", "bin/bossac", "example"}, ""},
-		{[]string{"avrdude/bin/avrdude", "avrdude/etc/avrdude.conf"}, "avrdude/"},
+		{[]string{"avrdude/bin/",
+			"avrdude/bin/avrdude.exe",
+			"avrdude/bin/remove_giveio.bat",
+			"avrdude/bin/status_giveio.bat",
+			"avrdude/bin/giveio.sys",
+			"avrdude/bin/loaddrv.exe",
+			"avrdude/bin/libusb0.dll",
+			"avrdude/bin/install_giveio.bat",
+			"avrdude/etc/avrdude.conf"}, "avrdude/"},
 		{[]string{"pax_global_header", "bin/", "bin/bossac"}, "bin/"},
 	}
 	for _, tt := range cases {