E2e cleanup. (#853)

Changes are made to update e2e test suite to work in tandem with the
latest release of interchaintest repo of v8.

Still a work in progress PR as code is all cleaned up but it needs to be
tested.

scripts/makefiles/docker.mk

@@ -110,14 +110,14 @@ docker-test-e2e: docker-compose-up
 
 docker-e2e-build:
 	$(eval CHAINS=$(filter-out $@,$(MAKECMDGOALS)))
-	@for chain in $(CHAINS); do
-	echo "Building $$chain"
-	DOCKER_BUILDKIT=1 docker build \
-	  -t $$chain:local \
-	  -t $$chain:local-distroless \
-	  --build-arg GO_VERSION=$(GO_VERSION) \
-	  --build-arg RUNNER_IMAGE=$(RUNNER_BASE_IMAGE_DISTROLESS) \
-	  --build-arg GIT_VERSION=$(VERSION) \
-	  --build-arg GIT_COMMIT=$(COMMIT) \
-	  -f ./tests/e2e/dockerfiles/$$chain.Dockerfile .
+	@for chain in $(CHAINS); do \
+	  echo "Building $$chain"; \
+	  DOCKER_BUILDKIT=1 docker build \
+	    -t $$chain:local \
+	    -t $$chain:local-distroless \
+	    --build-arg GO_VERSION=$(GO_VERSION) \
+	    --build-arg RUNNER_IMAGE=$(RUNNER_BASE_IMAGE_DISTROLESS) \
+	    --build-arg GIT_VERSION=$(VERSION) \
+	    --build-arg GIT_COMMIT=$(COMMIT) \
+	    -f ./tests/e2e/dockerfiles/$$chain.Dockerfile .; \
 	done