Move UnitTests/* and PyTest to L leg to better balance

Also, PyTest Debug only in Nightly.

Tests/EndToEndTests/PyTest/testcases.yml

@@ -1,13 +1,10 @@
 dataDir: .
 
 tags:
-    # running on linux BVT job in 'E' (Examples) leg
-    - bvt-e (os == 'linux') and (build_sku == 'gpu')
-    # running on linux Nightly job in 'E' (Examples) leg
-    - nightly-e (os == 'linux') and (build_sku == 'gpu')
+    - bvt-l (os == 'linux') and (build_sku == 'gpu') and (flavor == 'release')
+    - nightly-l (os == 'linux') and (build_sku == 'gpu')
 
 testCases:
   PyTest run must finish with error code 0 (outputs __COMPLETED__ in that case):
     patterns:
       - __COMPLETED__
-

Tests/EndToEndTests/UnitTests/BrainScriptTests/testcases.yml

@@ -2,9 +2,9 @@ dataDir: .
 
 tags:
   # GPU only, at this stage.
-  # TODO move from e to separate leg, requires infra changes
-  - bvt-e (build_sku == 'gpu') and (device == 'gpu')
-  - nightly-e (build_sku == 'gpu') and (device == 'gpu')
+  # TODO move from l to separate leg, requires infra changes
+  - bvt-l (build_sku == 'gpu') and (device == 'gpu')
+  - nightly-l (build_sku == 'gpu') and (device == 'gpu')
 
 testCases:
   Test cases pass:

Tests/EndToEndTests/UnitTests/EvalTests/testcases.yml

@@ -2,9 +2,9 @@ dataDir: .
 
 tags:
   # GPU only, at this stage.
-  # TODO move from e to separate leg, requires infra changes
-  - bvt-e (build_sku == 'gpu') and (device == 'gpu')
-  - nightly-e (build_sku == 'gpu') and (device == 'gpu')
+  # TODO move from l to separate leg, requires infra changes
+  - bvt-l (build_sku == 'gpu') and (device == 'gpu')
+  - nightly-l (build_sku == 'gpu') and (device == 'gpu')
 
 testCases:
   Test cases pass:

Tests/EndToEndTests/UnitTests/ManagedEvalTests/testcases.yml

@@ -2,8 +2,9 @@ dataDir: .
 
 tags:
   # CPU-only for now.
-  - bvt-e (build_sku == 'cpu') and (os=='windows')
-  - nightly-e (build_sku == 'cpu') and (os=='windows')
+  # TODO move from l to separate leg, requires infra changes
+  - bvt-l (build_sku == 'cpu') and (os=='windows')
+  - nightly-l (build_sku == 'cpu') and (os=='windows')
 
 testCases:
   Each test passes:

Tests/EndToEndTests/UnitTests/MathTests/testcases.yml

@@ -2,9 +2,9 @@ dataDir: .
 
 tags:
   # GPU only, at this stage.
-  # TODO move from e to separate leg, requires infra changes
-  - bvt-e (build_sku == 'gpu') and (device == 'gpu')
-  - nightly-e (build_sku == 'gpu') and (device == 'gpu')
+  # TODO move from l to separate leg, requires infra changes
+  - bvt-l (build_sku == 'gpu') and (device == 'gpu')
+  - nightly-l (build_sku == 'gpu') and (device == 'gpu')
 
 testCases:
   Test cases pass: