[cmd/mdatagen] fix #12298 unit tests failures (#12523)

Fixes #12298

Inspired by
#12477,
but looks like that PR is hard to pass queue merge.

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

Author: bogdandrutu

.chloggen/fix-12298.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: mdatagen
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Fix broken imports in the generated files.
+
+# One or more tracking issues or pull requests related to the change
+issues: [12298]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

cmd/mdatagen/internal/templates/component_test.go.tmpl

@@ -35,7 +35,6 @@ import (
 	"go.opentelemetry.io/collector/receiver/receivertest"
 	{{- end }}
 	{{- if isScraper }}
-	"go.opentelemetry.io/collector/consumer/consumertest"
 	"go.opentelemetry.io/collector/scraper"
 	"go.opentelemetry.io/collector/scraper/scrapertest"
 	{{- end }}

cmd/mdatagen/internal/templates/telemetrytest.go.tmpl

@@ -3,7 +3,6 @@
 package {{ .Package }}test
 
 import (
-	"context"
 	"testing"
 
 	"github.com/stretchr/testify/require"

cmd/mdatagen/internal/templates/telemetrytest_test.go.tmpl

@@ -3,14 +3,15 @@
 package {{ .Package }}test
 
 import (
-    "context"
+	"context"
 	"testing"
 
 	"github.com/stretchr/testify/require"
+	"go.opentelemetry.io/otel/metric"
 	"go.opentelemetry.io/otel/sdk/metric/metricdata"
 	"go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest"
 
-    "go.opentelemetry.io/collector/component/componenttest"
+	"go.opentelemetry.io/collector/component/componenttest"
 )
 
 func TestSetupTelemetry(t *testing.T) {