[Tests] Fixed schema location (http with https).

Tests/Data/Elliptic/circle_radius_1/circle_1_axi.gml

...s/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1.gml

Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1.gml

...uniform_bc_Groundwaterflow/inhomogeneous_permeability.gml

...ata/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1.gml

...ptic/square_100x100_ComponentTransport/square_100x100.gml

...s/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1.gml

...ta/Elliptic/square_1x1_GroundWaterFlow/square_1x1_axi.gml

...liptic/square_1x1_GroundWaterFlow/square_1x1_midpoint.gml

...Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1.gml

Tests/Data/EllipticPETSc/cube_1x1x1.gml

Tests/Data/EllipticPETSc/quad_20x10_left_right.gml

...HydroMechanics/Linear/Confined_Compression/cube_1x1x1.gml

...HydroMechanics/Linear/Confined_Compression/square_1x1.gml

...hanics/Linear/Unconfined_Compression_early/square_1x1.gml

...chanics/Linear/Unconfined_Compression_late/square_1x1.gml

...nProduction1D/RerefenceSolutionByMonolithicScheme/bar.gml

...roMechanics/StaggeredScheme/InjectionProduction1D/bar.gml

Tests/Data/Mechanics/Burgers/cube_1x1x1.gml

Tests/Data/Mechanics/Ehlers/axisymmetric_sphere_pl.gml