[skip ci] update error messages

internal/flag/boolptrvalue.go

@@ -34,5 +34,3 @@ func (b *BoolPtrValue) Set(value string) error {
 
 	return nil
 }
-
-func (b *BoolPtrValue) IsBoolFlag() bool { return true }

internal/flag/boolptrvalue_test.go

@@ -1,65 +0,0 @@
-package flag_test
-
-import (
-	"slices"
-	"testing"
-
-	internalFlag "codeflow.dananglin.me.uk/apollo/enbas/internal/flag"
-)
-
-func TestBoolPtrValue(t *testing.T) {
-	tests := []struct {
-		input string
-		want  bool
-	}{
-		{
-			input: "True",
-			want:  true,
-		},
-		{
-			input: "false",
-			want:  false,
-		},
-	}
-
-	value := internalFlag.NewBoolPtrValue()
-
-	for _, test := range slices.All(tests) {
-		if err := value.Set(test.input); err != nil {
-			t.Fatalf(
-				"Unable to parse %s as a BoolPtrValue: %v",
-				test.input,
-				err,
-			)
-		}
-
-		got := *value.Value
-
-		if got != test.want {
-			t.Errorf(
-				"Unexpected bool parsed from %s: want %t, got %t",
-				test.input,
-				test.want,
-				got,
-			)
-		} else {
-			t.Logf(
-				"Expected bool parsed from %s: got %t",
-				test.input,
-				got,
-			)
-		}
-	}
-}
-
-func TestNilBoolPtrValue(t *testing.T) {
-	value := internalFlag.NewBoolPtrValue()
-	want := "NOT SET"
-	got := value.String()
-
-	if got != want {
-		t.Errorf("Unexpected string returned from the nil value; want %s, got %s", want, got)
-	} else {
-		t.Logf("Expected string returned from the nil value; got %s", got)
-	}
-}