test: sharpen button label unit test

Using different strings for the device tree node labels and the label
property of buttons sharpens the button label unit test.
Signed-off-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: NPhilippe Reynes <philippe.reynes@softathome.com>

arch/sandbox/dts/sandbox.dtsi

@@ -18,14 +18,14 @@
 	buttons {
 		compatible = "gpio-keys";
 
-		summer {
+		btn1 {
 			gpios = <&gpio_a 3 0>;
-			label = "summer";
+			label = "button1";
 		};
 
-		christmas {
+		btn2 {
 			gpios = <&gpio_a 4 0>;
-			label = "christmas";
+			label = "button2";
 		};
 	};
 

arch/sandbox/dts/test.dts

@@ -55,14 +55,14 @@
 	buttons {
 		compatible = "gpio-keys";
 
-		summer {
+		btn1 {
 			gpios = <&gpio_a 3 0>;
-			label = "summer";
+			label = "button1";
 		};
 
-		christmas {
+		btn2 {
 			gpios = <&gpio_a 4 0>;
-			label = "christmas";
+			label = "button2";
 		};
 	};
 

test/dm/button.c

@@ -57,17 +57,17 @@ static int dm_test_button_label(struct unit_test_state *uts)
 {
 	struct udevice *dev, *cmp;
 
-	ut_assertok(button_get_by_label("summer", &dev));
+	ut_assertok(button_get_by_label("button1", &dev));
 	ut_asserteq(1, device_active(dev));
 	ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &cmp));
 	ut_asserteq_ptr(dev, cmp);
 
-	ut_assertok(button_get_by_label("christmas", &dev));
+	ut_assertok(button_get_by_label("button2", &dev));
 	ut_asserteq(1, device_active(dev));
 	ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &cmp));
 	ut_asserteq_ptr(dev, cmp);
 
-	ut_asserteq(-ENODEV, button_get_by_label("spring", &dev));
+	ut_asserteq(-ENODEV, button_get_by_label("nobutton", &dev));
 
 	return 0;
 }

test/py/tests/test_button.py

@@ -11,7 +11,7 @@ def test_button_exit_statuses(u_boot_console):
     expected_response = 'rc:0'
     response = u_boot_console.run_command('button list; echo rc:$?')
     assert(expected_response in response)
-    response = u_boot_console.run_command('button summer; echo rc:$?')
+    response = u_boot_console.run_command('button button1; echo rc:$?')
     assert(expected_response in response)
 
     expected_response = 'rc:1'