Constraint Layout DOJO - Solution (STEP 1)

profile_image.xml

<de.hdodenhof.circleimageview.CircleImageView
    android:id="@+id/profile_image"
    android:layout_width="50dp"
    android:layout_height="50dp"
    android:layout_marginTop="8dp"

    android:src="@drawable/profile_image"

    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"/>

text.xml

<TextView
    android:id="@+id/text"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginTop="4dp"
    android:layout_marginEnd="8dp"

    tools:text="You found a bug in Android/Jetpacksuetracker.google.com so the teams know about it. Complaining on Twitter won't get that bug fixed."
    android:textColor="@color/white"

    app:layout_constraintTop_toBottomOf="@+id/username"
    app:layout_constraintLeft_toLeftOf="@+id/username"
    app:layout_constraintRight_toRightOf="parent"/>

username.xml

<TextView
    android:id="@+id/username"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginStart="12dp"

    tools:text="Florina Muntenescu"
    android:textColor="@color/white"
    android:textStyle="bold"

    app:layout_constraintTop_toTopOf="@+id/profile_image"
    app:layout_constraintLeft_toRightOf="@+id/profile_image"/>