| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 166 of 166 | 0% | 12 of 12 | 0% | 20 | 20 | 45 | 45 | 14 | 14 | 4 | 4 |
| EnvironmentManager | | 0% | | 0% | 12 | 12 | 29 | 29 | 6 | 6 | 1 | 1 |
| WritableEnvironmentEndpointWebExtension | | 0% | n/a | 4 | 4 | 8 | 8 | 4 | 4 | 1 | 1 | |
| EnvironmentChangeEvent | | 0% | n/a | 3 | 3 | 6 | 6 | 3 | 3 | 1 | 1 | |
| WritableEnvironmentEndpoint | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |