test: assert parsed port ranges (#15264)

Signed-off-by: Immanuel Tikhonov <122638311+immanuwell@users.noreply.github.com>

Author: immanuwell

pkg/util/portrange_test.go

@@ -47,8 +47,13 @@ func TestParsePortRange(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.input, func(t *testing.T) {
-			check, _ := ParsePortRange(tt.input)
-			reflect.DeepEqual(tt.expected, check)
+			check, err := ParsePortRange(tt.input)
+			if err != nil {
+				t.Fatalf("unexpected error: %s", err)
+			}
+			if !reflect.DeepEqual(tt.expected, check) {
+				t.Fatalf("expected %+v but received %+v", tt.expected, check)
+			}
 		})
 	}
 }