Remove duplicate tests in unknownproto (#7231)

Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>

codec/unknownproto/unknown_fields_test.go

@@ -651,81 +651,6 @@ func TestRejectUnknownFieldsFlat(t *testing.T) {
 	}
 }
 
-func TestMismatchedTypes_Nested(t *testing.T) {
-	tests := []struct {
-		name    string
-		in      proto.Message
-		recv    proto.Message
-		wantErr error
-	}{
-		{
-			name: "mismatched types.Any in G",
-			in: &testdata.TestVersion1{
-				G: &types.Any{
-					TypeUrl: "/testdata.TestVersion4LoneNesting",
-					Value: mustMarshal(&testdata.TestVersion3LoneNesting_Inner1{
-						Inner: &testdata.TestVersion3LoneNesting_Inner1_InnerInner{
-							Id:   "ID",
-							City: "Gotham",
-						},
-					}),
-				},
-			},
-			recv: new(testdata.TestVersion1),
-			wantErr: &errMismatchedWireType{
-				Type:         "*testdata.TestVersion3",
-				TagNum:       8,
-				GotWireType:  7,
-				WantWireType: 2,
-			},
-		},
-		{
-			name: "From nested proto message, message index 0",
-			in: &testdata.TestVersion3LoneNesting{
-				Inner1: &testdata.TestVersion3LoneNesting_Inner1{
-					Id:   10,
-					Name: "foo",
-					Inner: &testdata.TestVersion3LoneNesting_Inner1_InnerInner{
-						Id:   "ID",
-						City: "Palo Alto",
-					},
-				},
-			},
-			recv:    new(testdata.TestVersion4LoneNesting),
-			wantErr: nil,
-		},
-		{
-			name: "From nested proto message, message index 1",
-			in: &testdata.TestVersion3LoneNesting{
-				Inner2: &testdata.TestVersion3LoneNesting_Inner2{
-					Id:      "ID",
-					Country: "Maldives",
-					Inner: &testdata.TestVersion3LoneNesting_Inner2_InnerInner{
-						Id:   "ID",
-						City: "Unknown",
-					},
-				},
-			},
-			recv:    new(testdata.TestVersion4LoneNesting),
-			wantErr: nil,
-		},
-	}
-
-	for _, tt := range tests {
-		tt := tt
-		t.Run(tt.name, func(t *testing.T) {
-			protoBlob, err := proto.Marshal(tt.in)
-			if err != nil {
-				t.Fatal(err)
-			}
-			_, gotErr := RejectUnknownFields(protoBlob, tt.recv, false)
-			if !reflect.DeepEqual(gotErr, tt.wantErr) {
-				t.Fatalf("Error mismatch\nGot:\n%s\n\nWant:\n%s", gotErr, tt.wantErr)
-			}
-		})
-	}
-}
-
 // Issue https://github.com/cosmos/cosmos-sdk/issues/7222, we need to ensure that repeated
 // uint64 are recognized as packed.
 func TestPackedEncoding(t *testing.T) {