fix(tests): move test bindata to a dedicated directory

This ensures that test binary assets are not gonna get served over HTTP.

cmd/karma/assets_test.go

@@ -132,7 +132,7 @@ func TestLoadTemplateUnparsable(t *testing.T) {
 	var wasFatal bool
 	log.StandardLogger().ExitFunc = func(int) { wasFatal = true }
 
-	loadTemplate(nil, "ui/build/go-test-invalid.html")
+	loadTemplate(nil, "cmd/karma/tests/bindata/go-test-invalid.html")
 
 	if !wasFatal {
 		t.Error("loadTemplate() with unparsable file didn't cause log.Fatal()")

cmd/karma/script_test.go

@@ -53,6 +53,6 @@ func TestMain(m *testing.M) {
 
 func TestScripts(t *testing.T) {
 	testscript.Run(t, testscript.Params{
-		Dir: "testdata",
+		Dir: "tests/testscript",
 	})
 }

cmd/karma/tests/bindata/go-test-invalid.html

@@ -0,0 +1 @@
+hello{{range