Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires inpsyde/test-modularity-lib * -> satisfiable by inpsyde/test-modularity-lib[dev-add_app_unit_testing]. - inpsyde/test-modularity-lib dev-add_app_unit_testing requires inpsyde/wp-app-container ^3@dev -> satisfiable by inpsyde/wp-app-container[3.0.0-beta.1, 3.0.0-beta.2, 3.0.0-beta.3, 3.x-dev] from composer repo (https://repo.packagist.org) but inpsyde/wp-app-container[dev-add_app_unit_testing] from path repo (../..) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 2 - Root composer.json requires inpsyde/test-wac-lib * -> satisfiable by inpsyde/test-wac-lib[dev-add_app_unit_testing]. - inpsyde/test-wac-lib dev-add_app_unit_testing requires inpsyde/wp-app-container ^3@dev -> satisfiable by inpsyde/wp-app-container[3.0.0-beta.1, 3.0.0-beta.2, 3.0.0-beta.3, 3.x-dev] from composer repo (https://repo.packagist.org) but inpsyde/wp-app-container[dev-add_app_unit_testing] from path repo (../..) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 3 - Root composer.json requires inpsyde/test-modularity-plugin * -> satisfiable by inpsyde/test-modularity-plugin[dev-add_app_unit_testing]. - inpsyde/test-modularity-plugin dev-add_app_unit_testing requires inpsyde/wp-app-container ^3@dev -> satisfiable by inpsyde/wp-app-container[3.0.0-beta.1, 3.0.0-beta.2, 3.0.0-beta.3, 3.x-dev] from composer repo (https://repo.packagist.org) but inpsyde/wp-app-container[dev-add_app_unit_testing] from path repo (../..) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 4 - Root composer.json requires inpsyde/test-modularity-plugin-two * -> satisfiable by inpsyde/test-modularity-plugin-two[dev-add_app_unit_testing]. - inpsyde/test-modularity-plugin-two dev-add_app_unit_testing requires inpsyde/wp-app-container ^3@dev -> satisfiable by inpsyde/wp-app-container[3.0.0-beta.1, 3.0.0-beta.2, 3.0.0-beta.3, 3.x-dev] from composer repo (https://repo.packagist.org) but inpsyde/wp-app-container[dev-add_app_unit_testing] from path repo (../..) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 5 - Root composer.json requires inpsyde/test-modularity-plugin-three * -> satisfiable by inpsyde/test-modularity-plugin-three[dev-add_app_unit_testing]. - inpsyde/test-modularity-plugin-three dev-add_app_unit_testing requires inpsyde/wp-app-container ^3@dev -> satisfiable by inpsyde/wp-app-container[3.0.0-beta.1, 3.0.0-beta.2, 3.0.0-beta.3, 3.x-dev] from composer repo (https://repo.packagist.org) but inpsyde/wp-app-container[dev-add_app_unit_testing] from path repo (../..) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 6 - Root composer.json requires inpsyde/test-wac-plugin * -> satisfiable by inpsyde/test-wac-plugin[dev-add_app_unit_testing]. - in

Process completed with exit code 2.

The job was canceled because "_8_1" failed.

The job was canceled because "_8_1" failed.

The operation was canceled.

The job was canceled because "_8_1" failed.

Failed asserting that null is an instance of class "ArrayObject".

Process completed with exit code 1.

FailFast: cancelling since parallel instance has failed

Failed asserting that null is an instance of class "ArrayObject".

The operation was canceled.

FailFast: cancelling since parallel instance has failed

Failed asserting that null is an instance of class "ArrayObject".

The operation was canceled.

FailFast: cancelling since parallel instance has failed

Failed asserting that null is an instance of class "ArrayObject".

The operation was canceled.

FailFast: cancelling since parallel instance has failed

Failed asserting that null is an instance of class "ArrayObject".

The operation was canceled.

FailFast: cancelling since parallel instance has failed

Failed asserting that null is an instance of class "ArrayObject".

The operation was canceled.