Fixes 2: Fixing regression for issue 2

Signed-off-by: Kris Nóva <kris@nivenly.com>

test/regression_test.go

@@ -0,0 +1,22 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/kris-nova/photoprism-client-go"
+)
+
+// Trailing slash issue
+// https://github.com/kris-nova/photoprism-client-go/issues/2
+func TestRegressionIssue2(t *testing.T) {
+	testStrings := []string{"localhost/", "localhost///////", "localhost//"}
+	goal := "localhost"
+	for _, str := range testStrings {
+		client := photoprism.New(str)
+		if client.ConnectionString() != goal {
+			t.Error("Failed to trim suffix / in client connection string")
+			t.FailNow()
+		}
+	}
+
+}