makefile: add missing tests

there was a miss-match between CI and the makefile helper

Author: manuelnaranjo

Makefile

@@ -19,13 +19,13 @@ e2e-workspace:
 	@for version in 6.x 7.x; do \
 		( \
 			cd e2e/bazel-workspace && \
-			echo "Testing $$version" > /dev/stderr && \
+			echo "Testing $$version in workspace mode" > /dev/stderr && \
 			USE_BAZEL_VERSION=$$version bazelisk --batch build //...\
 		) \
 	done
 
 e2e-bzlmod:
-	@for version in 6.x 7.x; do \
+	@for version in 7.x 8.x; do \
 		( \
 			cd e2e/bazel-bzlmod && \
 			echo "Testing $$version with bzlmod" > /dev/stderr && \
@@ -34,23 +34,27 @@ e2e-bzlmod:
 	done
 
 e2e-bazel-bzlmod-lock-file:
-	@for version in 6.x 7.x; do \
+	@for version in 7.x 8.x; do \
 		( \
 			cd e2e/bazel-bzlmod-lock-file && \
 			echo "Testing $$version with bzlmod with lock file" > /dev/stderr && \
 			USE_BAZEL_VERSION=$$version bazelisk --batch build //...\
 		) \
 	done
 
-e2e-bzlmod-build-toolchain-7.x:
-	( \
-		cd e2e/bazel-bzlmod-toolchain-from-source && \
-		USE_BAZEL_VERSION=7.x bazelisk --batch build //... --incompatible_enable_proto_toolchain_resolution \
-	)
-
-e2e-bzlmod-build-toolchain: e2e-bzlmod-build-toolchain-7.x
+e2e-bzlmod-build-toolchain:
+	@for version in 7.x 8.x; do \
+		( \
+			cd e2e/bazel-bzlmod-toolchain-from-source && \
+			echo "Testing $$version with bzlmod build toolchain" > /dev/stderr && \
+			USE_BAZEL_VERSION=$$version bazelisk --batch build //... --incompatible_enable_proto_toolchain_resolution \
+		) \
+	done
 
-e2e: e2e-workspace e2e-bzlmod e2e-bzlmod-build-toolchain
+e2e: e2e-workspace \
+	e2e-bzlmod \
+	e2e-bzlmod-build-toolchain \
+	e2e-bazel-bzlmod-lock-file
 
 fmt: gofmt buildifier