Fix format specifiers in Printf-type functions.

pkg/auth/authenticator/tokenfile/tokenfile_test.go

@@ -67,7 +67,7 @@ token2,user2,uid2
 			t.Errorf("%d: expected user %#v, got %#v", i, testCase.User, user)
 		}
 		if testCase.Ok != ok {
-			t.Errorf("%d: expected auth %f, got %f", i, testCase.Ok, ok)
+			t.Errorf("%d: expected auth %v, got %v", i, testCase.Ok, ok)
 		}
 		switch {
 		case err == nil && testCase.Err:

pkg/auth/handlers/handlers_test.go

@@ -49,7 +49,7 @@ func TestAuthenticateRequest(t *testing.T) {
 
 	<-success
 	if len(context.requests) > 0 {
-		t.Errorf("context should have no stored requests", context)
+		t.Errorf("context should have no stored requests: %v", context)
 	}
 }
 
@@ -73,7 +73,7 @@ func TestAuthenticateRequestFailed(t *testing.T) {
 
 	<-failed
 	if len(context.requests) > 0 {
-		t.Errorf("context should have no stored requests", context)
+		t.Errorf("context should have no stored requests: %v", context)
 	}
 }
 
@@ -97,6 +97,6 @@ func TestAuthenticateRequestError(t *testing.T) {
 
 	<-failed
 	if len(context.requests) > 0 {
-		t.Errorf("context should have no stored requests", context)
+		t.Errorf("context should have no stored requests: %v", context)
 	}
 }