golang format tools (#637)

Produced via:
  `gofmt -s -w $(find -path './vendor' -prune -o -type f -name '*.go' -print))`
  `goimports -w $(find -name '*.go' | grep -v vendor)`
/assign mattmoor

test/webhook-apicoverage/coveragecalculator/coveragedata.go

@@ -18,6 +18,7 @@ package coveragecalculator
 
 import (
 	"strings"
+
 	"k8s.io/apimachinery/pkg/util/sets"
 )
 

test/webhook-apicoverage/view/html_display.go

@@ -17,14 +17,14 @@ limitations under the License.
 package view
 
 import (
-	"strings"
 	"html/template"
+	"strings"
 
 	"knative.dev/pkg/test/webhook-apicoverage/coveragecalculator"
 )
 
 type HtmlDisplayData struct {
-	TypeCoverages []coveragecalculator.TypeCoverage
+	TypeCoverages   []coveragecalculator.TypeCoverage
 	CoverageNumbers *coveragecalculator.CoverageValues
 }
 
@@ -32,7 +32,7 @@ type HtmlDisplayData struct {
 func GetHTMLDisplay(coverageData []coveragecalculator.TypeCoverage, coverageValues *coveragecalculator.CoverageValues) (string, error) {
 
 	htmlData := HtmlDisplayData{
-		TypeCoverages: coverageData,
+		TypeCoverages:   coverageData,
 		CoverageNumbers: coverageValues,
 	}
 
@@ -50,7 +50,6 @@ func GetHTMLDisplay(coverageData []coveragecalculator.TypeCoverage, coverageValu
 	return buffer.String(), nil
 }
 
-
 // GetHTMLCoverageValuesDisplay is a helper method to display coverage values inside a HTML table.
 func GetHTMLCoverageValuesDisplay(coverageValues *coveragecalculator.CoverageValues) (string, error) {
 

webhook/webhook.go

@@ -121,7 +121,7 @@ func New(
 	admissionControllers map[string]AdmissionController,
 	logger *zap.SugaredLogger,
 	ctx func(context.Context) context.Context,
-	) (*Webhook, error) {
+) (*Webhook, error) {
 
 	if opts.StatsReporter == nil {
 		reporter, err := NewStatsReporter()