Fix DirectILL* usage examples

Facility has to be set to 'ILL' in testsetup.

Re #20453

docs/source/algorithms/DirectILLApplySelfShielding-v1.rst

@@ -22,6 +22,11 @@ Usage
 
 **Example - Absorption corrections and empty container subtraction**
 
+.. testsetup:: IN4Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN4Example
 
     import numpy

docs/source/algorithms/DirectILLCollectData-v1.rst

@@ -120,6 +120,11 @@ Usage
 
 **Example - Basic usage as an advanced loader**
 
+.. testsetup:: IN4Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN4Example
 
     # It is recommended to use DirectILLCollectData over the basic Load

docs/source/algorithms/DirectILLDiagnostics-v1.rst

@@ -105,6 +105,11 @@ Usage
 
 **Example - Diagnostics on IN4 workspace**
 
+.. testsetup:: IN4Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN4Example
 
     DirectILLCollectData(
@@ -138,6 +143,11 @@ Output:
 
 **Example - Diagnostics on IN5 workspace**
 
+.. testsetup:: IN5Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN5Example
 
     # On IN5 we don't usually diagnose the pixels, but apply

docs/source/algorithms/DirectILLIntegrateVanadium-v1.rst

@@ -31,6 +31,11 @@ Usage
 
 **Example - Integrating vanadium**
 
+.. testsetup:: IN4Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN4Example
 
     DirectILLCollectData(

docs/source/algorithms/DirectILLSelfShielding-v1.rst

@@ -24,6 +24,11 @@ Usage
 
 **Example - Calculating absorption corrections**
 
+.. testsetup:: IN4Example
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: IN4Example
 
     preprocessed = DirectILLCollectData(Run='ILL/IN4/087294-087295')

docs/source/techniques/DirectILL.rst

@@ -59,6 +59,11 @@ A very basic reduction would include a vanadium reference and a sample and follo
 
 On instruments like IN4 and IN6, these steps would translate to something like the following simple Python script:
 
+.. testsetup:: BasicIN4Reduction
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: BasicIN4Reduction
 
     # Uncomment to add a temporary data search directory.
@@ -187,6 +192,11 @@ A more complete reduction example would include corrections for self-shielding:
 
 The above workflow would translate to this kind of Python script for IN4 and IN6:
 
+.. testsetup:: SelfShieldingReduction
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: SelfShieldingReduction
 
     # Uncomment to add a temporary data search directory.
@@ -266,6 +276,11 @@ Mantid can be picky with binning when doing arithmetics between workspaces. This
 
 To alleviate the situation, the output workspaces of :ref:`algm-DirectILLCollectData` can be forced to use the same wavelength. The following Python script shows how to propagate the calibrated incident energy from the first loaded workspace into the rest:
 
+.. testsetup:: SampleContainerCompatibility
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: SampleContainerCompatibility
 
     # Sample
@@ -320,6 +335,11 @@ With empty container data, the steps to reduce the experimental data might look
 
 A corresponding Python script follows.
 
+.. testsetup:: ContainerSubtraction
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: ContainerSubtraction
 
     # Uncomment to add a temporary data search directory.
@@ -401,6 +421,11 @@ Interpolation of container data to different temperatures
 
 Sometimes the empty container is not measured at all the experiment's temperature points. One can use Mantid's workspace arithmetics to perform simple linear interpolation in temperature:
 
+.. testsetup:: ContainerInterpolation
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: ContainerInterpolation
 
     import numpy
@@ -479,6 +504,11 @@ Lets put it all together into a complex Python script. The script below reduces
 
   * Need to interpolate to 50K.
 
+.. testsetup:: FullExample
+
+   config['default.facility'] = 'ILL'
+   config['default.instrument'] = 'IN4'
+
 .. testcode:: FullExample
 
     # Uncomment to add a temporary data search directory.