Corrected test for findsource

Signed-off-by: Mihael Rodek <mihael.rodek1@gmail.com>

pkg/plugin/installer/vcs_installer_test.go

@@ -94,7 +94,7 @@ func TestVCSInstaller(t *testing.T) {
 	}
 
 	// Testing FindSource method, expect error because plugin code is not a cloned repository
-	if _, err := FindSource(i.Path()); err == nil {
+	if _, err := FindSource(i.Path(), ""); err == nil {
 		t.Fatalf("expected error for inability to find plugin source, got none")
 	} else if err.Error() != "cannot get information about plugin source" {
 		t.Fatalf("expected error for inability to find plugin source, got (%v)", err)
@@ -150,7 +150,7 @@ func TestVCSInstallerUpdate(t *testing.T) {
 	}
 
 	// Test FindSource method for positive result
-	pluginInfo, err := FindSource(i.Path())
+	pluginInfo, err := FindSource(i.Path(), "")
 	if err != nil {
 		t.Fatal(err)
 	}