diff --git a/pkg/slices/strings_test.go b/pkg/slices/strings_test.go
new file mode 100644
index 0000000000..42d8153a65
--- /dev/null
+++ b/pkg/slices/strings_test.go
@@ -0,0 +1,83 @@
+package slices
+
+import "testing"
+
+func TestExists(t *testing.T) {
+	tests := []struct {
+		set    []string
+		find   string
+		output bool
+	}{
+		{
+			set:    []string{},
+			find:   "foo",
+			output: false,
+		},
+		{
+			set:    []string{"foo"},
+			find:   "foo",
+			output: true,
+		},
+		{
+			set:    []string{"bar", "foo"},
+			find:   "foo",
+			output: true,
+		},
+		{
+			set:    []string{"bar", "foo"},
+			find:   "stuff",
+			output: false,
+		},
+		{
+			set:    []string{"bar", "Foo"},
+			find:   "foo",
+			output: false,
+		},
+	}
+	for i, tt := range tests {
+		actual := Exists(tt.set, tt.find)
+		if actual != tt.output {
+			t.Errorf("[%d] set: %v , find: %s , expected: %t , actual: %t", i, tt.set, tt.find, tt.output, actual)
+		}
+	}
+}
+
+func TestExistsIgnoreCase(t *testing.T) {
+	tests := []struct {
+		set    []string
+		find   string
+		output bool
+	}{
+		{
+			set:    []string{},
+			find:   "foo",
+			output: false,
+		},
+		{
+			set:    []string{"foo"},
+			find:   "foo",
+			output: true,
+		},
+		{
+			set:    []string{"bar", "foo"},
+			find:   "foo",
+			output: true,
+		},
+		{
+			set:    []string{"bar", "foo"},
+			find:   "stuff",
+			output: false,
+		},
+		{
+			set:    []string{"bar", "Foo"},
+			find:   "foo",
+			output: true,
+		},
+	}
+	for i, tt := range tests {
+		actual := ExistsIgnoreCase(tt.set, tt.find)
+		if actual != tt.output {
+			t.Errorf("[%d] set: %v , find: %s , expected: %t , actual: %t", i, tt.set, tt.find, tt.output, actual)
+		}
+	}
+}