Fix to not reinstall wrong architecture package with the test dependancies

Author: ejeffrey

.github/workflows/test_old_cpu.yml

@@ -54,12 +54,10 @@ jobs:
           # For Sandy Bridge (x86-64-v2), we need to disable FMA code paths
           # since FMA instructions are not available on that microarchitecture
           if [ "${{ matrix.cpu[0] }}" = "snb" ]; then
-            pip install . --no-build-isolation -v -Csetup-args=-Ddisable_fma=true
+            pip install .[test] --no-build-isolation -v -Csetup-args=-Ddisable_fma=true
           else
-            pip install . --no-build-isolation -v
+            pip install .[test] --no-build-isolation -v
           fi
-          # Install the test dependencies
-          pip install .[test]
 
       - name: Test import on ${{ matrix.cpu[1] }}
         run: |