Fix wistia specs

[joaocv3]

• Update Wistia VCR cassetes
• Use VCR cassetes for all Wistia specs
• Fix Wistia duration spec

[houndci-bot]

Some files could not be reviewed due to errors:

.rubocop.yml: Style/DotPosition has the wrong namespace - should be Layout

.rubocop.yml: Style/DotPosition has the wrong namespace - should be Layout
.rubocop.yml: Style/FileName has the wrong namespace - should be Naming
.rubocop.yml: Style/PredicateName has the wrong namespace - should be Naming
.rubocop.yml: Style/AccessorMethodName has the wrong namespace - should be Naming
Error: The `Style/TrailingCommaInLiteral` cop no longer exists. Please use `Style/TrailingCommaInArrayLiteral` and/or `Style/TrailingCommaInHashLiteral` instead.
(obsolete configuration found in .rubocop.yml, please update it)
obsolete parameter MaxLineLength (for Style/IfUnlessModifier) found in .rubocop.yml
`Style/IfUnlessModifier: MaxLineLength` has been removed. Use `Metrics/LineLength: Max` instead

[coveralls]

Coverage remained the same at 100.0% when pulling c84e095 on joaocv3:fix-wistia-specs into eba0e8c on thibaudgg:master.

[thibaudgg]

🎉