diff --git a/cmd/mdatagen/internal/sampleprocessor/internal/metadata/generated_config_test.go b/cmd/mdatagen/internal/sampleprocessor/internal/metadata/generated_config_test.go
index 7b14c1b960e..66f4d0ad959 100644
--- a/cmd/mdatagen/internal/sampleprocessor/internal/metadata/generated_config_test.go
+++ b/cmd/mdatagen/internal/sampleprocessor/internal/metadata/generated_config_test.go
@@ -52,9 +52,8 @@ func TestResourceAttributesConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cfg := loadResourceAttributesConfig(t, tt.name)
-			if diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{})); diff != "" {
-				t.Errorf("Config mismatch (-expected +actual):\n%s", diff)
-			}
+			diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{}))
+			require.Emptyf(t, diff, "Config mismatch (-expected +actual):\n%s", diff)
 		})
 	}
 }
diff --git a/cmd/mdatagen/internal/samplereceiver/internal/metadata/generated_config_test.go b/cmd/mdatagen/internal/samplereceiver/internal/metadata/generated_config_test.go
index 8bd3d648dc9..10e225b7211 100644
--- a/cmd/mdatagen/internal/samplereceiver/internal/metadata/generated_config_test.go
+++ b/cmd/mdatagen/internal/samplereceiver/internal/metadata/generated_config_test.go
@@ -70,9 +70,8 @@ func TestMetricsBuilderConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cfg := loadMetricsBuilderConfig(t, tt.name)
-			if diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(MetricConfig{}, ResourceAttributeConfig{})); diff != "" {
-				t.Errorf("Config mismatch (-expected +actual):\n%s", diff)
-			}
+			diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(MetricConfig{}, ResourceAttributeConfig{}))
+			require.Emptyf(t, diff, "Config mismatch (-expected +actual):\n%s", diff)
 		})
 	}
 }
@@ -126,9 +125,8 @@ func TestResourceAttributesConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cfg := loadResourceAttributesConfig(t, tt.name)
-			if diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{})); diff != "" {
-				t.Errorf("Config mismatch (-expected +actual):\n%s", diff)
-			}
+			diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{}))
+			require.Emptyf(t, diff, "Config mismatch (-expected +actual):\n%s", diff)
 		})
 	}
 }
diff --git a/cmd/mdatagen/internal/templates/config_test.go.tmpl b/cmd/mdatagen/internal/templates/config_test.go.tmpl
index 879bfd9311a..b07683ec709 100644
--- a/cmd/mdatagen/internal/templates/config_test.go.tmpl
+++ b/cmd/mdatagen/internal/templates/config_test.go.tmpl
@@ -60,10 +60,9 @@ func TestMetricsBuilderConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cfg := loadMetricsBuilderConfig(t, tt.name)
-			if diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(MetricConfig{}
-			{{- if .ResourceAttributes }}, ResourceAttributeConfig{}{{ end }})); diff != "" {
-				t.Errorf("Config mismatch (-expected +actual):\n%s", diff)
-			}
+			diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(MetricConfig{}
+			{{- if .ResourceAttributes }}, ResourceAttributeConfig{}{{ end }}))
+			require.Emptyf(t, diff, "Config mismatch (-expected +actual):\n%s", diff)
 		})
 	}
 }
@@ -109,9 +108,8 @@ func TestResourceAttributesConfig(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cfg := loadResourceAttributesConfig(t, tt.name)
-			if diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{})); diff != "" {
-				t.Errorf("Config mismatch (-expected +actual):\n%s", diff)
-			}
+			diff := cmp.Diff(tt.want, cfg, cmpopts.IgnoreUnexported(ResourceAttributeConfig{}))
+			require.Emptyf(t, diff, "Config mismatch (-expected +actual):\n%s", diff)
 		})
 	}
 }