add providers

...mm/magnitude/components/content/content.component.spec.ts

.../components/control-panel/control-panel.component.spec.ts

...nents/event-parameters/event-parameters.component.spec.ts

...nts/parameter-summary/parameter-summary.component.spec.ts

...ponents/path-parameters/path-parameters.component.spec.ts

...e/components/plots-settings/plots-settings.component.html

...omponents/plots-settings/plots-settings.component.spec.ts

...pp/gmm/magnitude/components/plots/plots.component.spec.ts

...ponents/site-parameters/site-parameters.component.spec.ts

...nts/source-parameters/source-parameters.component.spec.ts