Fixed typo signalStrengh (#196)

* Fixed typo signalStrengh

* Update signalStrengh

* Added backwards compatible

* Fixed "Indent the right brace the same as the first position after the preceding left parenthesis."

* Fixed long line

* Fixed unittest

Author: khanhdodang

lib/appium_lib_core/android/device/emulator.rb

@@ -119,7 +119,8 @@ def gsm_call(phone_number:, action:)
               def gsm_signal(signal_strength)
                 raise "#{signal_strength} should be member of #{GSM_SIGNALS} " if GSM_SIGNALS[signal_strength.to_sym].nil?
 
-                execute(:gsm_signal, {}, { signalStrengh: GSM_SIGNALS[signal_strength] })
+                execute(:gsm_signal, {}, { signalStrength: GSM_SIGNALS[signal_strength],
+                                           signalStrengh: GSM_SIGNALS[signal_strength] })
               end
             end
 

test/unit/android/device/mjsonwp/commands_test.rb

@@ -339,7 +339,8 @@ def test_gsm_call
 
           def test_gsm_signal
             stub_request(:post, "#{SESSION}/appium/device/gsm_signal")
-              .with(body: { signalStrengh: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good] }.to_json)
+              .with(body: { signalStrength: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good],
+                            signalStrengh: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good] }.to_json)
               .to_return(headers: HEADER, status: 200, body: { value: '' }.to_json)
 
             @driver.gsm_signal :good

test/unit/android/device/w3c/commands_test.rb

@@ -340,7 +340,8 @@ def test_gsm_call
 
           def test_gsm_signal
             stub_request(:post, "#{SESSION}/appium/device/gsm_signal")
-              .with(body: { signalStrengh: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good] }.to_json)
+              .with(body: { signalStrength: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good],
+                            signalStrengh: ::Appium::Core::Android::Device::Emulator::GSM_SIGNALS[:good] }.to_json)
               .to_return(headers: HEADER, status: 200, body: { value: '' }.to_json)
 
             @driver.gsm_signal :good

test/unit/script/test_routes.js

@@ -341,7 +341,7 @@ const METHOD_MAP = {
     POST: {command: 'gsmCall', payloadParams: {required: ['phoneNumber', 'action']}}
 },
 '/wd/hub/session/:sessionId/appium/device/gsm_signal': {
-    POST: {command: 'gsmSignal', payloadParams: {required: ['signalStrengh']}}
+    POST: {command: 'gsmSignal', payloadParams: {required: ['signalStrength']}}
 },
 '/wd/hub/session/:sessionId/appium/device/gsm_voice': {
     POST: {command: 'gsmVoice', payloadParams: {required: ['state']}}