fix failing unit test

Signed-off-by: Florian Bacher <[email protected]>

pkg/ottl/e2e/e2e_test.go

@@ -1124,6 +1124,11 @@ func Test_e2e_ottl_value_expressions(t *testing.T) {
 			statement: `Len(attributes) + Len(attributes)`,
 			want:      int64(14),
 		},
+		{
+			name:      "Nested converter operations",
+			statement: `Hex(Len(attributes) + Len(attributes))`,
+			want:      "000000000000000e",
+		},
 	}
 
 	for _, tt := range tests {

pkg/ottl/parser_test.go

@@ -2148,7 +2148,9 @@ func Test_parseValueExpression_full(t *testing.T) {
 			name:            "resolve context value",
 			valueExpression: `attributes`,
 			expected: map[string]any{
-				"foo": "bar",
+				"attributes": map[string]any{
+					"foo": "bar",
+				},
 			},
 			tCtx: map[string]any{
 				"attributes": map[string]any{