Address nits

Author: mx-psi

confmap/confmap_test.go

@@ -1216,7 +1216,6 @@ func TestConfIsNil(t *testing.T) {
 			name:         "non-map subkey",
 			input:        map[string]any{"foo": 123},
 			expectIsNil:  false,
-			subExpectNil: false,
 			subExpectErr: "unexpected sub-config value kind",
 		},
 	}

confmap/internal/e2e/nil_test.go

@@ -50,6 +50,14 @@ func TestNilToStringMap(t *testing.T) {
 			},
 			expectedSub: nil,
 		},
+
+		{
+			name: "subsection_unset_empty_map.yaml",
+			expectedMap: map[string]any{
+				"field": map[string]any{},
+			},
+			expectedSub: nil,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

confmap/internal/e2e/testdata/subsection_unset_empty_map.yaml

@@ -0,0 +1 @@
+field: {}