osmomath: disable thelper for some helper functions (#5164)

* mark helper functions

* disable thelper warnings

osmomath/decimal.go

@@ -887,12 +887,16 @@ func MaxDec(d1, d2 BigDec) BigDec {
 
 // DecEq returns true if two given decimals are equal.
 // Intended to be used with require/assert:  require.True(t, DecEq(...))
+//
+//nolint:thelper
 func DecEq(t *testing.T, exp, got BigDec) (*testing.T, bool, string, string, string) {
 	return t, exp.Equal(got), "expected:\t%v\ngot:\t\t%v", exp.String(), got.String()
 }
 
 // DecApproxEq returns true if the differences between two given decimals are smaller than the tolerance range.
 // Intended to be used with require/assert:  require.True(t, DecEq(...))
+//
+//nolint:thelper
 func DecApproxEq(t *testing.T, d1 BigDec, d2 BigDec, tol BigDec) (*testing.T, bool, string, string, string) {
 	diff := d1.Sub(d2).Abs()
 	return t, diff.LTE(tol), "expected |d1 - d2| <:\t%v\ngot |d1 - d2| = \t\t%v", tol.String(), diff.String()

osmomath/int.go

@@ -435,6 +435,8 @@ func (i BigInt) MarshalAmino() ([]byte, error)   { return i.Marshal() }
 func (i *BigInt) UnmarshalAmino(bz []byte) error { return i.Unmarshal(bz) }
 
 // intended to be used with require/assert:  require.True(IntEq(...))
+//
+//nolint:thelper
 func IntEq(t *testing.T, exp, got BigInt) (*testing.T, bool, string, string, string) {
 	return t, exp.Equal(got), "expected:\t%v\ngot:\t\t%v", exp.String(), got.String()
 }