Cleanup eln testing file

tests/data/config_file.json

@@ -24,8 +24,8 @@
     "name": "Time-of-flight momentum microscope equipped delay line detector, at the endstation of the high rep-rate HHG source at FHI",
     "name/@short_name": "TR-ARPES @ FHI",
     "energy_resolution": {
-      "resolution": 140.0,
-      "resolution/@units": "meV",
+      "resolution": "['@eln:/ENTRY/Instrument/energy_resolution', '140.0']",
+      "resolution/@units": "['@eln:/ENTRY/Instrument/energy_resolution/@units', 'meV']",
       "physical_quantity": "energy",
       "type": "estimated"
     },

tests/data/eln_data.yaml

@@ -1,109 +1,8 @@
 title: Title from ELN file
 Instrument:
   energy_resolution:
-    unit: meV
-    value: 140.0
-  momentum_resolution:
-    unit: 1/angstrom
-    value: 0.08
-  temporal_resolution:
-    unit: fs
-    value: 35.0
-  Analyzer:
-    energy_resolution:
-      unit: eV
-      value: 110.0
-    momentum_resolution:
-      unit: 1/angstrom
-      value: 0.08
-    slow_axes: delay
-    spatial_resolution:
-      unit: µm
-      value: 10.0
-  Manipulator:
-    sample_temperature:
-      unit: K
-      value: 300.0
-  Source:
-    Probe:
-      frequency:
-        unit: KHz
-        value: 500.0
-      photon_energy:
-        unit: eV
-        value: 21.7
-    Pump:
-      frequency:
-        unit: KHz
-        value: 500.0
-      photon_energy:
-        unit: eV
-        value: 1.55
-  Beam:
-    Probe:
-      extent:
-        unit: µm
-        value:
-        - 80.0
-        - 80.0
-      incident_energy:
-        unit: eV
-        value: 21.7
-      incident_energy_spread:
-        unit: eV
-        value: 0.11
-      incident_polarization:
-        - 1
-        - 1
-        - 0
-        - 0
-      pulse_duration:
-        unit: fs
-        value: 20.0
-    Pump:
-      extent:
-        unit: µm
-        value:
-        - 230.0
-        - 265.0
-      incident_energy:
-        unit: eV
-        value: 1.55
-      incident_energy_spread:
-        unit: eV
-        value: 0.08
-      incident_polarization:
-        - 1
-        - -1
-        - 0
-        - 0
-      incident_wavelength:
-        unit: nm
-        value: 800.0
-      average_power:
-        unit: mW
-        value: 300.0
-      pulse_energy:
-        unit: µJ
-        value: 0.6
-      fluence:
-        unit: mJ / cm ** 2
-        value: 0.15
-      pulse_duration:
-        unit: fs
-        value: 35.0
+    unit: eV
+    value: 0.14
 Sample:
-  chemical_formula: WSe2
-  description: Sample
-  name: WSe2 Single Crystal
-  preparation_date: "2019-01-13T09:00:00+00:00"
-  pressure:
-    unit: bar
-    value: 5.0e-14
-  sample_history: Cleaved
-User:
-  address: Faradayweg 4-6, 14915 Berlin
-  affiliation: Fritz Haber Institute of the Max Planck Society
-  email: [email protected]
-  name: Julian Maklar
-  role: Principal Investigator
+  name: My ELN sample name
+  preparation_date: "2019-01-13T09:00:00+00:00"