Improve readability with backtics (#1830)

test/gcs/helpers_test.go

@@ -98,12 +98,12 @@ func TestLinkToBucketAndObject(t *testing.T) {
 		{
 			name: "Invalid gcsUrl - No slash",
 			arg:  "knative-prow-no-object",
-			err:  errors.New("the gsUrl (\"knative-prow-no-object\") cannot be converted to bucket/object"),
+			err:  errors.New(`the gsUrl ("knative-prow-no-object") cannot be converted to bucket/object`),
 		},
 		{
 			name: "Invalid gcsUrl - No object",
 			arg:  "knative-prow/",
-			err:  errors.New("the gsUrl (\"knative-prow/\") cannot be converted to bucket/object"),
+			err:  errors.New(`the gsUrl ("knative-prow/") cannot be converted to bucket/object`),
 		},
 	}
 	for _, tt := range tests {

test/upgrade/asserts_test.go

@@ -30,7 +30,7 @@ func (a assertions) textContains(haystack string, needles texts) {
 	for _, needle := range needles.elms {
 		if !strings.Contains(haystack, needle) {
 			a.t.Errorf(
-				"expected \"%s\" is not in: `%s`",
+				"expected %q is not in: %q",
 				needle, haystack,
 			)
 		}

testutils/clustermanager/e2e-tests/boskos/boskos_test.go

@@ -28,7 +28,7 @@ import (
 
 var (
 	fakeHost = "fakehost"
-	fakeRes  = "{\"name\": \"res\", \"type\": \"t\", \"state\": \"d\"}"
+	fakeRes  = `{"name": "res", "type": "t", "state": "d"}`
 )
 
 // create a fake server as Boskos server, must close() afterwards