Typos in `.feature` file

[Kevsy]

Problem description

L133 and L150: change 'public accessible HTTPs endpoint' to 'publicly accessible HTTPS endpoint'

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 133 in b0f66c1

# Property "$.sink" is set with a valid public accessible HTTPs endpoint

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 150 in b0f66c1

# Property "$.sink" is set with a valid public accessible HTTPs endpoint

L161: change 'have been some problem' to 'has been a problem'

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 161 in b0f66c1

And there have been some problem processing the request asynchronously

L349: change 'is not set to an url' to 'is not set to a URL'

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 349 in b0f66c1

Given the request body property "$.sink" is not set to an url

L275 and L296: change 'has not a valid value' to 'does not have a valid value'

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 275 in b0f66c1

Scenario: Error 400 when serviceLevel has not a valid value

PredictiveConnectivityData/code/Test_definitions/predictive-connectivity-data.feature

Line 296 in b0f66c1

Scenario: Error 400 when networkType has not a valid value