fixup test

.test/tests/dotted-environment-variables/run.sh

@@ -1,49 +1,7 @@
 #!/usr/bin/env bash
 
-## Copied from https://github.com/docker-library/official-images/blob/master/test/tests/run-java-in-container.sh
-
 set -Eeuo pipefail
 
-testDir="$(readlink -f "$(dirname "$BASH_SOURCE")")"
-runDir="$(dirname "$(readlink -f "$BASH_SOURCE")")"
-
 image="$1"
 
-# do a little extra work to try and find a suitable JDK image (when "xyzjava:1.2.3-jre" first builds, "xyzjava:1.2.3-jdk" isn't published yet :D)
-tryJdks=(
-	# ideally, we'd just swap the current JRE image to JDK, but that might not exist yet (see above)
-	"${image/jre/jdk}"
-)
-jdk=
-for potentialJdk in "${tryJdks[@]}"; do
-	if docker run --rm --pull=missing "$potentialJdk" javac -help &> /dev/null; then
-		jdk="$potentialJdk"
-		break
-	fi
-done
-if [ -z "$jdk" ]; then
-	echo >&2 "error: failed to find a suitable JDK image for '$image'!"
-	exit 1
-fi
-if [ "$jdk" != "${tryJdks[0]}" ]; then
-	echo >&2 "warning: using '$jdk' instead of '${tryJdks[0]}' (results may vary!)"
-fi
-
-# if possible, use "--release" in case $jdk and $image have mismatching Java versions
-javac='javac'
-if docker run --rm "$jdk" javac --help 2>&1 | grep -q -- '--release'; then
-	javac='javac --release 8'
-fi
-
-newImage="$("$runDir/image-name.sh" librarytest/java-hello-world "$image")"
-"$runDir/docker-build.sh" "$testDir" "$newImage" <<EOD
-FROM $jdk AS jdk
-WORKDIR /container
-COPY dir/container.java ./
-RUN $javac ./container.java
-FROM $image
-COPY --from=jdk /container /container
-WORKDIR /container
-EOD
-
-docker run --rm -e "variable.with.a.dot=a.dotted.value" "$newImage" java -cp . container
+docker run --rm -e "variable.with.a.dot=a.dotted.value" "$image" java -cp . container